Bloomfield; Roger D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bloomfield; Roger D..The latest application filed is for "film fasteners for flexible sheets".
- Bloomfield; Roger D. - Colorado Springs CO
- Bloomfield; Roger D. - Jackson WY
- Bloomfield; Roger D. - Minneapolis MN
- Bloomfield; Roger D. - St. Louis Park MN
| Patent | Date |
|---|---|
| Film fasteners for flexible sheets Grant 4,472,862 - Bloomfield , et al. September 25, 1 | 1984-09-25 |
| Double cord edge fastener Grant 3,987,835 - Bloomfield October 26, 1 | 1976-10-26 |
| Valve For Levitated Vehicle Track Grant 3,788,231 - Bloomfield January 29, 1 | 1974-01-29 |
| Vortex Thruster For Fluid Propelled Objects Grant 3,718,096 - Bloomfield , et al. February 27, 1 | 1973-02-27 |
| Valve For Levitated Vehicle Track Grant 3,685,788 - Bloomfield August 22, 1 | 1972-08-22 |
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