Leon G. Lenkoff

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Louisville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Puzzle game
- Patent number 4,586,714
- Issue date May 6, 1986
- Stry-Lenkoff Co.
- Leon G. Lenkoff
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Magic pictures
- Patent number 4,212,393
- Issue date Jul 15, 1980
- Leon G. Lenkoff
- B44 - DECORATIVE ARTS