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All Patents in class 428/582
Patents 1 - 5 of 5
Number	Date	Patentee	Title	Type
1,303,829	May 13, 1919	G.A. Vogel	Stock for Spirit Levels	metallic levels
1,990,670	Feb. 12, 1935	H.V. Rau	Sheet metal cap
2,197,076	Apr. 16, 1940	W.R. Meyer, W.F. Groene	Crankshaft Blank	crankshafts
2,235,450	Mar. 18, 1941	W.L. Groene	Crankshaft Blank	crankshafts
2,333,859	Nov. 09, 1943	W.L. Groene	Crankshaft Blank	crankshafts

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