Block; Thomas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Block; Thomas S..The latest application filed is for "dual mode portable suction cleaner".
- Block; Thomas S. - Muskegon MI
| Patent | Date |
|---|---|
| Dual mode portable suction cleaner Grant 6,448,732 - Block September 10, 2 | 2002-09-10 |
| Convertible upright vacuum Grant 6,363,571 - Block , et al. April 2, 2 | 2002-04-02 |
| Housing for a floor maintenance machine Grant D290,053 - Block May 26, 1 | 1987-05-26 |
| Floor treating machine Grant 4,633,541 - Block January 6, 1 | 1987-01-06 |
| Floor treating machine Grant 4,506,405 - Block March 26, 1 | 1985-03-26 |
| Floor scrubber with combined solution and recovery tank Grant 4,333,202 - Block June 8, 1 | 1982-06-08 |
| Scrubber Grant D263,475 - Block March 23, 1 | 1982-03-23 |
| Floor treating machine with squeegee Grant 4,293,971 - Block October 13, 1 | 1981-10-13 |
| Floor machine with gimballed brush drive Grant 4,251,896 - Block February 24, 1 | 1981-02-24 |
| Floor treating machine Grant 4,218,798 - Block August 26, 1 | 1980-08-26 |
| Actuator for self-propelled sweeper Grant 4,108,268 - Block August 22, 1 | 1978-08-22 |
| Sweeper Grant 4,071,920 - Block February 7, 1 | 1978-02-07 |
| Air blast sweeper with dust control system Grant 3,977,039 - Block August 31, 1 | 1976-08-31 |
| Sweeper pickup head Grant 3,872,540 - Block March 25, 1 | 1975-03-25 |
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