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Patents Granted on 1919-08-12 | |||||
Number | Date | Patentee | Title | Type | |
CA-192,138 | Aug. 12, 1919 | F.E. Aurand | Commutator slotting machine | commutator slotting machines | |
1,312,546 | Aug. 12, 1919 | S. Karasick | Fixture For Magnetic Chucks | ||
1,312,643 | Aug. 12, 1919 | G.W. Poillon | Micrometer Calipers | micrometers | |
1,312,671 | Aug. 12, 1919 | E.E. Bartlett | Arbor-press | arbor presses | |
1,313,166 | Aug. 12, 1919 | J.C. Carlton, F.B. Cockburn | Projectile Turner | form producing lathes |