Robertson; Frederick J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Robertson; Frederick J..The latest application filed is for "cornerbead structure".
- Robertson; Frederick J. - Vancouver WA
| Patent | Date |
|---|---|
| Cornerbead structure Grant 8,910,437 - Robertson December 16, 2 | 2014-12-16 |
| Cornerbead Structure App 20120324812 - Robertson; Frederick J. | 2012-12-27 |
| Cornerbead Structure App 20110030297 - Robertson; Frederick J. | 2011-02-10 |
| Fiberglass Mesh Faced Cornerbead App 20060283115 - Robertson; Frederick J. | 2006-12-21 |
| Drywall trim piece Grant 6,438,914 - Robertson August 27, 2 | 2002-08-27 |
| Drywall trim piece Grant 6,363,673 - Robertson April 2, 2 | 2002-04-02 |
| Finish material for window openings Grant 6,155,011 - Robertson December 5, 2 | 2000-12-05 |
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