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US Patent: 490,503
Worm Gear Cutting Machine
Patentee:
George S. Rominger - Philadelphia, PA

USPTO Classifications:
409/48, 470/80, 74/466, 82/12

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William D. Conner
Harry Smith
R. Scheicher
Alex Barkoff

Patent Dates:
Applied: Apr. 11, 1892
Granted: Jan. 24, 1893

Patent Pictures:
USPTO pdf tiff
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