Robert J. Mortonson

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Seal Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Trainer/learner skate
- Patent number RE32346
- Issue date Feb 3, 1987
- Trend Products Group
- Reuben B. Klamer
- 280 - Land vehicles
Information Patent Grant
Trainer/learner skate
- Patent number 4,334,690
- Issue date Jun 15, 1982
- Trend Products Group
- Reuben B. Klamer
- A63 - SPORTS GAMES AMUSEMENTS