Marc Groskreutz

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Spokane, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Skier rope towing apparatus
- Patent number 5,415,106
- Issue date May 16, 1995
- Groskreutz; Marc
- Marc Groskreutz
- B61 - RAILWAYS
Information Patent Grant
Skier rope towing apparatus and winch therefor
- Patent number 5,205,219
- Issue date Apr 27, 1993
- Groskreutz; Marc
- Marc Groskreutz
- B61 - RAILWAYS