McDonald; Colin
Patent Applications and Registrations
Patent applications and USPTO patent grants for McDonald; Colin.The latest application filed is for "apparatus for induction friction solid state welding".
- McDonald; Colin - Calgary CA
- McDonald; Colin - Maple Valley WA
| Patent | Date |
|---|---|
| Apparatus for induction friction solid state welding Grant 7,931,184 - Lingnau , et al. April 26, 2 | 2011-04-26 |
| Apparatus for induction friction solid state welding App 20100038404 - Lingnau; David ; et al. | 2010-02-18 |
| Weight balanced spool carrier Grant 4,391,422 - McDonald July 5, 1 | 1983-07-05 |
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