Dennis R. Dahm

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Streamwood, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Motorless toy vehicle and propelling track
- Patent number 4,799,916
- Issue date Jan 24, 1989
- Robert S. McKay
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy creature having a tongue for capturing prey
- Patent number 4,778,433
- Issue date Oct 18, 1988
- Up-Trend Design
- Robert S. McKay
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Toy vehicle and launcher
- Patent number 4,639,236
- Issue date Jan 27, 1987
- McKay; Robert S.
- Robert S. McKay
- A63 - SPORTS GAMES AMUSEMENTS