Celebrating American ingenuity : the United States Patent and Trademark Museum, Washington, D.C.Publisher: [Washington, D.C. : U.S. Dept. of Commerce, Patent and Trademark Office,
Date: 1999?]. This title can be found in 1 Iowa libraries.
Celebrating American ingenuity : 25th Annual Inventors Expo and Conference, March 12-15, 1998, Epcot Walt Disney World Resort /Publisher: Washington, D.C. : U.S. Department of Commerce, Patent and Trademark Office,
Date: 1998. This title can be found in 1 Iowa libraries.
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