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US Patent: 2,793,485
Grass trimmer
Patentees:
Arthur N. Emmons (exact or similar names) - Nedrow, NY
John G. Bentley (exact or similar names) - Liverpool, NY

USPTO Classifications:
56/13.4, 56/17.5

Tool Categories:

Assignees:
Porter-Cable Machine Co. - Syracuse, NY

Manufacturer:
Porter-Cable Machine Co. - Syracuse, NY

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 05, 1954
Granted: May 28, 1957

Patent Pictures:
USPTO (New site tip)
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Vintage Machinery entry for Porter-Cable Machine Co.

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