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US Patent: 825,911
Test Indicator
Patentee: Henry Koch (exact or similar names) - Nyack, NY USPTO Classifications: 33/533, 33/642 Tool Categories: metalworking tools : machinist tools : measuring tools : test indicators Assignees: None Manufacturer: H. Koch & Son - Nyack, NY Witnesses: M. Van Nortwick N. B. Smith Victor Ackerman David W. Centry	Patent Dates: Applied: May 04, 1906 Granted: Jul. 17, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: The unit is marked "The Koch Test Indicator Nyack, NY Pat. July 7, 1906".

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