on which site can i search for already filed patents?
411993
for your convenience, I suggest these two site:\n\nhttp://gb.espacenet.com/search97cgi/s97_cgi.exe?Action=FormGen&Template=gb/en/advanced.hts\n\nand\n\nhttp://depatisnet.dpma.de/DepatisNet/depatisnet?window=1&space=main&content=index&action=index&session=c23b66f2cea0a47e254bf894a71ac4bedd75abcf425&stamp=102829
215085
do searches on ebay for similar items.
58998
You can do a search at the US Copyright Office.
285566
Go to United States Patent and Trademark Office http://www.uspto.gov/ \n\nGetting a patent is a long and complicated process. It is highly recommended that you use a patent lawyer to help you do the entire process. You can learn more about getting a patent here http://www.uspto.gov/main/patents.htm\n\nSome explanations of how to get patents:\n\nCrash course on patents: The procedure for getting a patent\nhttp://www.iusmentis.com/patents/crashcourse/procedure/\nNolo.com Getting a Patent http://www.nolo.com/resource.cfm/catID/2D212B35-B211-4FD4-B46D84A00C15CEBF/310/101/134/
747907
NOLO is a great, free informational site. Also, be sure to read what the USPTO (United States Patent & Trademark Office) has to say about patents.\n\nAssociations may be a good avenue to explore. These organizations will address many of the thoughts, questions and concerns you'll inevitably have as well as many you haven't anticipated yet. See the source box for some relevant links. \n\nResearch, research, research – this cannot be stressed enough. Read as much as you can. Here are some book titles that are relevant:\n\nGetting a Patent:\n* Patent It Yourself (11th Edition) by David Pressman\n* Patents and How to Get One : A Practical Handbook by U.S. Department of Commerce\n* How To Make Patent Drawings Yourself: A Patent It Yourself Companion by Jack Lo\n* The Inventor's Notebook: A Patent It Yourself Companion by Fred E. Grissom\n\nThere are plenty of free informational resources out there. Check the source box for links to articles.\n\nHope that helps! I wish you much success & happiness in all your ventures!
145517
If you're trying to get a U.S. Patent...start by going to this web site -\nhttp://www.uspto.gov/\n\nIt's the United States Patent and Trademark Office.  They have all the info and forms you'll need.\n\nAlso, there are Patent Lawyers who will help you file your patent as well, but you will have to cough up some $$$ for that.
115413
Do your own search at the U.S. Patent and Trademark Office (USPTO)\nhttp://patft.uspto.gov/netahtml/search-adv.htm\n\nTry this search for starters:\nTTL/(saw OR trimmer)
404003
http://inventors.about.com/od/patentoffices/a/US_Patent_Offic.htm\n\nhttp://www.inventnet.com/page1.html\n\nhttp://books.google.com/books?q=every+invention+patented+in+the+US&oi=print&sa=X&oi=print&ct=title\n\nhttp://news.google.com/news?q=every+invention+in+the+US&hl=en&lr=&sa=X&oi=news&ct=title\n\nhttp://www.colitz.com/site/wacky.htm\n\nhttp://www.einsteinyear.org/facts/physicsFacts\n\nhttp://www.transfer.ethz.ch/patente/patente_/index_EN
1017048
Research the idea on the US patent website.  If the idea has already been invented (but not marketed) you can not do anything more.  If it has not been invented, go find yourself a patent attorney!  Happy searching
609729
For patents in the US go to:\n\nhttp://www.uspto.gov/patft/index.html
263358
I did a search and there are many sites.  Here are two:
266319
http://www.findlaw.com/
843093
If you are in the US, you go to the US Patent and Trademark Office to get a patent. http://www.uspto.gov/web/patents/howtopat.htm UPTO has a page on the Basic Facts of Patents that you may want to read http://www.uspto.gov/web/offices/pac/doc/general/index.html\n\nNote though that getting a patent is a complicated and costly process. It is best to work with a patent lawyer to help you navigate the process. The cost of filing a patent can go anywhere from $10K to $35K depending on the cost of your lawyer and what it is you are trying to patent
512428
You can obtain a patent from the US patent office. It can take months to years, depending. You can use "patent pending" in the interim once you have actually applied.\n\nHere's where you start:\n\nhttp://www.uspto.gov/\n\nThat's the US patent office's website.\n\nHeop this helps, and good luck with your idea!\n--J.
145
Wikipedia has a list of inventors and invention.  Also, about.com has a list of famous inventors.
813743
did you already try a search engine, like google, yahoo, or msn?
268945
You can search and verify whether it is trademarked at the United States Patent and Trademark Office. Use their Trademark Electronic Search System(Tess) at http://tess2.uspto.gov/bin/gate.exe?f=tess&state=gakoho.1.1