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Patent applications and USPTO patent grants for Ohki; Haruo.The latest application filed is for "manually actuated and electrically operated rotatable drum chance device and saving bank".
Patent | Date |
---|---|
Manually Actuated And Electrically Operated Rotatable Drum Chance Device And Saving Bank Grant 3,747,936 - Ohki July 24, 1 | 1973-07-24 |
Automatic Rotation Indexing And Masking Of Drum Change Device With Manual Release Of The Masking Shutters Grant 3,735,987 - Ohki May 29, 1 | 1973-05-29 |
Motor Driven Rotatable Drum Chance Device Grant 3,658,340 - Ohki April 25, 1 | 1972-04-25 |
Motor Driven Rotatable Drum Chance Device Grant 3,655,199 - Ohki April 11, 1 | 1972-04-11 |
Motor Driven Rotatable Drum Chance Device Grant 3,650,535 - Ohki March 21, 1 | 1972-03-21 |
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