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US Patent: 911,210
Grinding Machine
Patentee:
Conrad M. Conradson (exact or similar names) - Madison, Dane County, WI

USPTO Classifications:
279/17, 279/9.1, 451/143, 451/398

Tool Categories:
specialty machines : glass grinding machines

Assignees:
Precision Glass Grinding Machine Co. - Sioux Falls, Minnehaha County, SD

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 25, 1908
Granted: Feb. 02, 1909

Patent Pictures:
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