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Seifert; Lester H.
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Kiel, WI, US
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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...
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