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US Patent: 1,283,693
Machine for Cutting Gears
Patentee:
Charles E. Derr - Detroit, MI

USPTO Classifications:
409/57

Tool Categories:
metalworking machines : gear making machines

Assignees:
Packard Motor Car Co. - Detroit, MI

Manufacturer:
Not known to have been produced

Witnesses:
Clair J. W. Cote
Le Roi J. Williams
A. K. Spear

Patent Dates:
Applied: Jun. 14, 1915
Granted: Nov. 05, 1918

Patent Pictures:
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Description:
Milton Tibetts - patent attorney

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