Patents for Ex-Cell-O Aircraft & Tool Corp.


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Patents for Ex-Cell-O Aircraft & Tool Corp.
Patents 1 - 3 of 3
Number	Date	Patentee	Title	Type
1,864,707	Jun. 28, 1932	C.R. Alden	Slip bushing	drill press accessories
2,000,553	May 07, 1935	C.R. Alden	Machine tool	horizontal boring mills
2,012,677	Aug. 27, 1935	C.R. Alden	Spindle structure	grinders