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All Patents in class 254/326
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
645,630Mar. 20, 1900R.A. Schultz, C.L. SchultzTraction Engineinternal combustion traction engines
819,226May 01, 1906C.O. HeggemTraction Enginesteam traction engines
1,422,459Jul. 11, 1922R.E. ManleyPortable floor cranecranes
2,549,120Apr. 17, 1951A.E. OrmsbyCranejib cranes
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