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US Patent: 3,087,246
Determining reference plate for surface plate inspection
Patentee:
Theodore N. Busch (exact or similar names) - Savage, MN

USPTO Classifications:
235/61GM, 33/1BB, 33/1R

Tool Categories:
metalworking tools : machinist tools : measuring tools

Assignees:
DoALL Co. - Des Plaines, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 15, 1960
Granted: Apr. 30, 1963

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for DoALL Co., Inc.

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