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US Patent: 1,351,908
Safety-guard for rotary grinding machines
Patentee:
Andrew F. Howe - Granite City, IL

USPTO Classifications:
451/406, 451/451

Tool Categories:
metalworking machines : grinders : sharpening machines : bench or pedestal grinders
metalworking machines : metalworking machine mechanisms : metalworking machine safety guards

Assignees:
Howe Safety Appliance Co. - Granite City, IL

Manufacturer:
Howe Safety Appliance Co. - Granite City, IL

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 27, 1918
Granted: Sep. 07, 1920

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Howe Safety Appliance Co.

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