Sullivan; Bruce M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sullivan; Bruce M..The latest application filed is for "air cleaner".
- Sullivan; Bruce M. - Burnsville MN
| Patent | Date |
|---|---|
| Air cleaner Grant D283,621 - Gauer , et al. April 29, 1 | 1986-04-29 |
| Two stage air cleaner with side-by-side elements Grant 4,460,390 - Alseth , et al. July 17, 1 | 1984-07-17 |
| Disposable air cleaner Grant 4,350,509 - Alseth , et al. September 21, 1 | 1982-09-21 |
| Two-stage air cleaner and method of preventing contamination of a safety filter Grant 4,261,710 - Sullivan April 14, 1 | 1981-04-14 |
| Side outlet tube Grant 4,162,906 - Sullivan , et al. July 31, 1 | 1979-07-31 |
| Pressure ratio reversal indicator Grant 4,031,847 - Sullivan June 28, 1 | 1977-06-28 |
| Air cleaner with restriction indicator Grant 4,020,783 - Anderson , et al. May 3, 1 | 1977-05-03 |
| Retention Means For Air Cleaner Element Grant 3,672,130 - Sullivan , et al. June 27, 1 | 1972-06-27 |
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