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All Patents in class 266/129
Patents 1 - 2 of 2
First set of recordsLast set of records
2,378,890Jun. 26, 1945M.A. Crosby, H.H. Brown, P.A. AbeSurface hardening metal areas of limited size
2,462,072Feb. 22, 1949F.N. DarmaraProcess of Inductively Heating Pliersmaking pliers
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