Dunstan; Phillip E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dunstan; Phillip E..The latest application filed is for "infinitely variable differential hydrostatic transmission".
- Dunstan; Phillip E. - Seattle WA
| Patent | Date |
|---|---|
| Infinitely variable differential hydrostatic transmission Grant 5,205,123 - Dunstan April 27, 1 | 1993-04-27 |
| Heat pump system using wastewater heat Grant 4,448,347 - Dunstan May 15, 1 | 1984-05-15 |
| Cable drive systems for moving walkways Grant 4,444,302 - Dunstan April 24, 1 | 1984-04-24 |
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