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All Patents in class 33/542.1 | |||||
Number | Date | Patentee | Title | Type | |
2,581,473 | Jan. 08, 1952 | A. Eisele | Combination Offset and Straight Internal Bore Gauge | measurement gauges | |
2,679,107 | May 25, 1954 | J.T. Gondek | Micrometer for Circular Size, Especially of Grooves | micrometers | |
2,702,946 | Mar. 01, 1955 | E.M. Boat | Dial Bore Gauge | ||
2,910,781 | Nov. 03, 1959 | J.J. Bishop | Dial Hole Gauge | bore gages |