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US Patent: 769,992
Combined Center or Other Square
Patentee:
George M. Engel (exact or similar names) - Philadelphia, PA

USPTO Classifications:
33/428

Tool Categories:
layout tools : special purpose gauges
layout tools : squares : try squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
P. F. Nagle
George L. Croher
Georg Hoffmann
Harry Renninger

Patent Dates:
Applied: Oct. 27, 1903
Granted: Sep. 13, 1904

Patent Pictures:
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