Nelson; Bertel S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nelson; Bertel S..The latest application filed is for "differential gearing with phase adjustment".
- Nelson; Bertel S. - Rockford IL
- Nelson; Bertel S. - Naperville IL
| Patent | Date |
|---|---|
| Differential gearing with phase adjustment Grant 5,415,595 - Nelson May 16, 1 | 1995-05-16 |
| Shaft support system Grant 4,832,659 - Nelson May 23, 1 | 1989-05-23 |
| Differential clutch Grant 4,788,874 - Nelson , et al. December 6, 1 | 1988-12-06 |
| Centrifugal brake assembly Grant 4,582,179 - Nelson April 15, 1 | 1986-04-15 |
| Torque limit drive transmission Grant 4,481,842 - Nelson November 13, 1 | 1984-11-13 |
| Floor polisher with gear drive Grant 4,237,571 - Nelson December 9, 1 | 1980-12-09 |
| Floor polisher Grant 4,214,337 - Nise , et al. July 29, 1 | 1980-07-29 |
| Single-stage proportioning pump Grant 3,898,866 - Keyes , et al. August 12, 1 | 1975-08-12 |
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