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Inventing a Better Mousetrap - Smithsonian American Art Museum

Inventing a Better Mousetrap - Smithsonian American Art Museum

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15. Sylvester Ament, Aurora, IL<br />

Windmill, December 14, 1880<br />

U.S. Patent No. 235333<br />

15 x 9 x 16 inches<br />

Rothschild Patent Model Collection<br />

16. H. Hallock, Brookhaven, NY<br />

Life Preserving Containter, June 1, 1858<br />

U.S. Patent No. 20426<br />

8 x 8 x 5 inches<br />

Rothschild Patent Model Collection<br />

17. Joseph Bell, Cincinnati, OH<br />

Governor for Steam Engines, January 29, 1870<br />

U.S. Patent No. 99751<br />

13 x 18 x 4 inches<br />

<strong>Smithsonian</strong> <strong>American</strong> <strong>Art</strong> <strong>Museum</strong>, Gift of Alan and Ann Rothschild<br />

18. Joseph Dorgan, Plattsburg, NY<br />

Horseshoe Making Machine, July 20, 1880<br />

U.S. Patent No. 230180<br />

13 x 12 x 12 inches<br />

Rothschild Patent Model Collection<br />

19. George Evans, Pittsburg, PA<br />

Extension Ladder, April 16, 1878<br />

U.S. Patent No. 202426<br />

21 x 5 x 11 inches<br />

<strong>Smithsonian</strong> <strong>American</strong> <strong>Art</strong> <strong>Museum</strong>, Gift of Alan and Ann Rothschild<br />

20. Hakon Brunius, Jonkoping, Sweden<br />

Electro Magnetic Railroad Signal, April 24, 1877<br />

U.S. Patent No. 189999<br />

12 x 12 x 6 inches<br />

Rothschild Patent Model Collection<br />

21. Claude Victor Gaume, Williamsburg, NY<br />

Electro Magnetic Engine, January 23, 1872<br />

U.S. Patent No. 122944<br />

9 1/2 x 9 x 10 inches<br />

Rothschild Patent Model Collection<br />

22. Benjamin Mason, New York, NY<br />

Screw Threading Machine, July 27, 1875<br />

U.S. Patent No. 166121<br />

8 x 10 x 15 inches<br />

Rothschild Patent Model Collection<br />

<strong>Smithsonian</strong> <strong>American</strong> <strong>Art</strong> <strong>Museum</strong> Page 3 of 6<br />

Checklist, <strong>Inventing</strong> a <strong>Better</strong> <strong>Mousetrap</strong>: Patent Models from the Rothschild Collection<br />

EPH, 10/19/2012

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