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US Patent: 3,500,696
Two-speed power tool
Patentee:
Warren A. Berube (exact or similar names) - Camillus, NY

USPTO Classifications:
74/342, 74/363

Tool Categories:
handheld power tools

Assignees:
Rockwell Mfg. Co. - Pittsburgh, PA

Manufacturer:
Rockwell Mfg. Co. - Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 25, 1968
Granted: Mar. 17, 1970

Patent Pictures:
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Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.

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