Patents for Eugene C. David


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Patents for Eugene C. David
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
4,621,459	Nov. 11, 1986	L.E. Stump, E.C. David, D. Boehne	Segmented platen with diaphragm cylinder control	belt sanders
4,651,474	Mar. 24, 1987	E.C. David	Wide belt sanding machine with platen oscillating means	belt sanders