Old; John L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Old; John L..The latest application filed is for "throttle controls".
- Old; John L. - Kenilworth GB2
| Patent | Date |
|---|---|
| Throttle controls Grant 4,811,620 - Old , et al. March 14, 1 | 1989-03-14 |
| Ballast weights for tractors Grant 4,377,300 - Old March 22, 1 | 1983-03-22 |
| Tractor implement hitch with rubbing surfaces to limit sway Grant 4,181,181 - Old January 1, 1 | 1980-01-01 |
| Material handling apparatus Grant 4,065,009 - Old December 27, 1 | 1977-12-27 |
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