A recompilation of US Patent illustrations. US Patent Illustrations: The Past when it was still the Future.
US Patent 3316993MOTORIZED TRAVELING CASE SCOOTER TO CONVEY PASSENGER – DM Weitzner, 1967
EP0396720 B1 – Method for Increasing Body Heat Transfer – William Patrick Campbell – 1989
US 620600B1 – Canine scuba diving apparatus – Dwane L. Folsom, 2001
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