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Walter S. Christopher — 1 Patent

CLChicago Lock: 1 patents #2 of 6Top 35%

Paddy Lane, IL: #284 of 467 inventorsTop 65%

Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #4,003,607 of 4,157,543Top 100%

1 Patents All Time

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4617813	Lock-picking tool and method of use thereof	Robert T. Kriskovich, Robert L. Steinbach	1986-10-21