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Patent applications and USPTO patent grants for Kita; John F..The latest application filed is for "mining bit with replaceable work engaging member".
Patent | Date |
---|---|
Mining bit with replaceable work engaging member Grant 4,083,415 - Kita , et al. April 11, 1 | 1978-04-11 |
Insert for mining tools and the like Grant 4,077,734 - Kita March 7, 1 | 1978-03-07 |
Excavation tool Grant 4,069,880 - Johnstone , et al. * January 24, 1 | 1978-01-24 |
Down-the-hole hammer Grant 4,050,525 - Kita September 27, 1 | 1977-09-27 |
Excavating Tool Grant 3,858,671 - Kita , et al. January 7, 1 | 1975-01-07 |
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