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US Patent: 1,180,448
Power-grinder
Patentee:
Carl E. Shields (exact or similar names) - Rock Island, IL

USPTO Classifications:
451/341

Tool Categories:
metalworking machines : grinders : grindstone frames
propulsion and energy : human powered apparatus

Assignees:
None

Manufacturer:
Rock Island Manufacturing Co. - Rock Island, IL

Witnesses:
F. W. Thieson
L. C. Downing

Patent Dates:
Applied: Feb. 05, 1915
Granted: Apr. 25, 1916

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Rock Island Mfg. Co.

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