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US Patent: 874,197
Micrometer Calipers
Patentee: Ernest Heym (exact or similar names) - Philadelphia, PA USPTO Classifications: 33/827 Tool Categories: metalworking tools : machinist tools : measuring tools : inside micrometers Assignees: None Manufacturer: Not known to have been produced Witnesses: Will. M. Seitzinger August Pioch D. Webster, Jr. P. F. Nagle	Patent Dates: Applied: Nov. 22, 1906 Granted: Dec. 17, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Nedershein & Fairbanks.- patent attorneys

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