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US Patent: 2,449,459
Perforator Grinding Fixture
Patentee:
Theodore Eckert - Lincolnwood, Cook County, IL

USPTO Classifications:
188/60, 451/387, 451/396, 451/404

Tool Categories:
metalworking machines : grinders : grinding attachments

Assignees:
Harig Mfg. Co. - Chicago, Cook County, IL

Manufacturer:
Harig Mfg. Co. - Chicago, Cook County, IL

Witnesses:
none listed

Patent Dates:
Applied: Mar. 30, 1946
Granted: Sep. 14, 1948

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 | 6 ]
USPTO pdf tiff
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"Vintage Machinery" entry for Harig Products, Inc.
Grind-All #1

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