Curtis; Richard D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Curtis; Richard D..The latest application filed is for "assembly for transit car door hanger".
- Curtis; Richard D. - Munster IN
- Curtis; Richard D. - Wichita KS
| Patent | Date |
|---|---|
| Assembly for transit car door hanger Grant 6,640,388 - Covert , et al. November 4, 2 | 2003-11-04 |
| Assembly for transit car door hanger App 20030056685 - Covert, Jeffery W. ; et al. | 2003-03-27 |
| Rail truck suspension and journal housing retention assembly Grant 5,611,284 - Smith , et al. March 18, 1 | 1997-03-18 |
| Awning assembly with telescoping support arms Grant 4,719,954 - Curtis , et al. January 19, 1 | 1988-01-19 |
| Folding reflector for a lantern Grant 4,535,390 - Curtis , et al. August 13, 1 | 1985-08-13 |
| Lantern with kerosene preheater Grant 4,131,414 - Curtis December 26, 1 | 1978-12-26 |
| Combination lantern, regulator-valve, and high pressure propane cylinder Grant 3,941,554 - Curtis March 2, 1 | 1976-03-02 |
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