macdonald donald j
Patent Applications and Registrations
Patent applications and USPTO patent grants for macdonald donald j.The latest application filed is for "apparatus and method for transporting a vessel".
- - unknown
- MacDonald; Donald J. - Maple Ridge CA
- MacDonald; Donald J. - Waterloo IA
| Patent | Date |
|---|---|
| Parallel straightedge drafting board Grant 08919003 - | 2014-12-30 |
| Apparatus and method for transporting a vessel App 20080035045 - MacDonald; Donald J. ; et al. | 2008-02-14 |
| Charge flow priority circuit Grant 5,020,324 - MacDonald , et al. June 4, 1 | 1991-06-04 |
| Valve/piston cartridge and rotor bearing pre-load for a radial piston pump Grant 4,915,595 - Nelson , et al. April 10, 1 | 1990-04-10 |
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