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US Patent: 1,019,639
Belt-tightener for drills
Patentee:
Fred K. Hendrickson (exact or similar names) - Worcester, MA

USPTO Classifications:
474/61, 474/89

Tool Categories:
metalworking machines : drilling and boring : drill presses
woodworking machines : wood drilling and boring : drill presses

Assignees:
Prentice Bros. Co. - Worcester, MA

Manufacturer:
Prentice Bros. Co. - Worcester, MA
Reed-Prentice Co. - Worcester, MA

Witnesses:
C. Forrest Wesson
Albert E. Fay

Patent Dates:
Applied: Oct. 20, 1910
Granted: Mar. 05, 1912

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Prentice Bros.
Vintage Machinery entry for Reed-Prentice Co.

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