William Rosenhagen

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Ossining, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Decorative light flashing apparatus and acousto-electric transducer...
- Patent number 4,346,640
- Issue date Aug 31, 1982
- Ideal Toy Corporation
- John R. Zeno
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Multi-vehicle multi-controller radio remote control system
- Patent number 4,334,221
- Issue date Jun 8, 1982
- Ideal Toy Corporation
- William Rosenhagen
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy vehicle engine sound device
- Patent number 4,291,877
- Issue date Sep 29, 1981
- Ideal Toy Corporation
- Burt W. Ensmann
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Time limited power boost passing for toy vehicles
- Patent number 4,247,108
- Issue date Jan 27, 1981
- Ideal Toy Corporation
- Neil Tilbor
- A63 - SPORTS GAMES AMUSEMENTS