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Patent applications and USPTO patent grants for Kooi; J. Peter E..The latest application filed is for "electronic surveying instrument or the like".
Patent | Date |
---|---|
Electronic surveying instrument or the like Grant D257,961 - Kooi January 20, 1 | 1981-01-20 |
Theodolite leveling means Grant 4,244,547 - Kooi January 13, 1 | 1981-01-13 |
Automatic builder's level or the like Grant D252,918 - Kooi September 18, 1 | 1979-09-18 |
Telescope level adjusting means Grant 4,112,584 - Kooi , et al. September 12, 1 | 1978-09-12 |
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