Patents for Ivor J. Gruenberg


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Patents for Ivor J. Gruenberg
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,274,543	Feb. 24, 1942	I.J. Gruenberg	Trimming mechanism for grinder wheels
	2,392,819	Jan. 15, 1946	S.G. Brady, I.J. Gruenberg	Gear Grinding Machine
	2,456,410	Dec. 14, 1948	S.G. Brady, I.J. Gruenberg	Gear Grinding Machine
	2,761,585	Sep. 04, 1956	R.H. Mustonen, I.J. Gruenberg, A.A. Muehling	Apparatus for orienting prismatic bodies