Patents for Herman C. Frentzel


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Patents for Herman C. Frentzel
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,546,196	Mar. 27, 1951	H.C. Frentzel, G.F. Morrison	Vise for sawing machines	printer
2,546,197	Mar. 27, 1951	H.C. Frentzel, G.F. Morrison	Lock device for printers' chases	printer