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All Patents in class 33/501.4 | |||||
Number | Date | Patentee | Title | Type | |
2,993,280 | Jul. 25, 1961 | E.M. Boat | Right Angle Dial Bore Gage | ||
3,314,155 | Apr. 18, 1967 | J.G. Lavallee | Micrometer | micrometers |