Raymond P. Powers

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Sheboygan, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-propelled rotary lawn mower
- Patent number 4,041,679
- Issue date Aug 16, 1977
- Seifert; Lester H.
- Lester H. Seifert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...