Hubbard; Robert William
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hubbard; Robert William.The latest application filed is for "calibration of crane load indicating arrangement".
- Hubbard; Robert William - Southend-on-Sea EN
| Patent | Date |
|---|---|
| Calibration of crane load indicating arrangement Grant 4,063,649 - Hubbard , et al. December 20, 1 | 1977-12-20 |
| Crane load inidicating arrangement Grant 3,965,733 - Hutchings , et al. June 29, 1 | 1976-06-29 |
| Crane load indicating arrangement Grant 3,913,690 - Hutchings , et al. October 21, 1 | 1975-10-21 |
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