Day; Robert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Day; Robert L..The latest application filed is for "centrifugal fan housing".
- Day; Robert L. - Port Byron IL
- Day; Robert L. - Sun Valley CA
- Day; Robert L. - Burbank CA
| Patent | Date |
|---|---|
| Centrifugal fan housing Grant D799,714 - Killen , et al. October 10, 2 | 2017-10-10 |
| Static ball joint Grant 5,098,213 - Day March 24, 1 | 1992-03-24 |
| Door security bracket Grant 4,869,087 - Day September 26, 1 | 1989-09-26 |
| Metal frame system Grant 4,819,392 - Day April 11, 1 | 1989-04-11 |
| Spring pivot joint for mannequin Grant 4,619,540 - Day , et al. October 28, 1 | 1986-10-28 |
| Metal door frame and trim clip Grant 4,094,112 - Smith , et al. June 13, 1 | 1978-06-13 |
| Method of forming and locating molding clip registers in a metal door frame Grant 4,020,544 - Smith , et al. May 3, 1 | 1977-05-03 |
| Preformed Floor And Roof Structure Grant 3,881,286 - Smith , et al. May 6, 1 | 1975-05-06 |
| Frame Connector Structure Grant 3,799,685 - Smith , et al. March 26, 1 | 1974-03-26 |
| Frame Connector Structure Grant 3,603,628 - Smith , et al. September 7, 1 | 1971-09-07 |
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