Haub; Donald J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Haub; Donald J..The latest application filed is for "combination sweeper-scrubber floor machine".
- Haub; Donald J. - Champlin MN
| Patent | Date |
|---|---|
| Combination sweeper-scrubber floor machine Grant D273,621 - Haub , et al. April 24, 1 | 1984-04-24 |
| Multi-speed drive with forward/reverse lockout Grant 4,378,855 - Haub , et al. * April 5, 1 | 1983-04-05 |
| Control circuit for reversible electric motors Grant 4,365,189 - Hawkins , et al. December 21, 1 | 1982-12-21 |
| Multi-speed brush control Grant 4,262,382 - Brown , et al. April 21, 1 | 1981-04-21 |
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