Douglas; John J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Douglas; John J..The latest application filed is for "container transport and delivery system".
- Douglas; John J. - Williamsburg VA
- Douglas; John J. - Lynch Station VA
| Patent | Date |
|---|---|
| Container Transport and Delivery System App 20200407173 - DeMartine; Daniel R. ; et al. | 2020-12-31 |
| Guided delivery vehicle Grant 10,239,544 - DeMartine , et al. | 2019-03-26 |
| Belt tensioner and turnover device for a printed circuit board belt conveyor Grant 5,259,495 - Douglas November 9, 1 | 1993-11-09 |
| Line changing system for air bottle conveyors Grant 5,246,097 - McCoy , et al. September 21, 1 | 1993-09-21 |
| Modular conveyor beam and method of assembly therefor Grant 5,082,108 - Douglas January 21, 1 | 1992-01-21 |
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