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US Patent: 2,634,787
Gauge for bending brakes
Patentee:
Roger P. Linder - Lake City, MN

USPTO Classifications:
72/460

Tool Categories:
metalworking machines : sheet metal : sheet metal brakes

Assignees:
Albert T. O'Neil - Lake City, MN

Manufacturer:
O'Neil-Irwin Manufacturing Co. - Lake City, MN

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 22, 1950
Granted: Apr. 14, 1953

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Di-Acro Inc.
Description:
This is the Di-Acro sheet metal brake; the maker eventually changed their name to Di-Acro Inc.

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