Edbert E. L. Dittmar

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Issaquah, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Machine for making microgrooves in snow skis
- Patent number 5,211,517
- Issue date May 18, 1993
- Edbert E. L. Dittmar
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Snow skis with microgrooves
- Patent number 5,158,318
- Issue date Oct 27, 1992
- Edbert E. L. Dittmar
- A63 - SPORTS GAMES AMUSEMENTS