I Just found out that Google released a beta search tool back in December called Google Patent Search. You can now search the full text and image over 7 millions U.S. patents (from early 18th century patents to recent ones). It's quick and simple.
And here is an interesting one I learned from my Law and Business Administration class back in University: The method of swinging a swing =)
And here is an interesting one I learned from my Law and Business Administration class back in University: The method of swinging a swing =)
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