Zena Sheinberg

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Convertible bowling alley
- Patent number 4,420,155
- Issue date Dec 13, 1983
- Zena Sheinberg
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Convertible bowling alley
- Patent number 4,330,122
- Issue date May 18, 1982
- Sheinberg; Zena
- Zena Sheinberg
- A63 - SPORTS GAMES AMUSEMENTS