Robert I. Rentz

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for simultaneously propelling and forming impress...
- Patent number 4,569,815
- Issue date Feb 11, 1986
- Robert I. Rentz
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of molding a multi-colored disc
- Patent number 4,014,972
- Issue date Mar 29, 1977
- Robert I. Rentz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL