Walter E. Welander

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Virginia, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical automatic transmission
- Patent number 4,711,137
- Issue date Dec 8, 1987
- Walter E. Welander
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Positive drive differential for vehicle including tractors
- Patent number 4,435,995
- Issue date Mar 13, 1984
- Walter E. Welander
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...