Rosendall; Henry J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rosendall; Henry J..The latest application filed is for "debris impeller".
- Rosendall; Henry J. - Grand Rapids MI
| Patent | Date |
|---|---|
| Debris impeller Grant 5,148,569 - Jailor , et al. September 22, 1 | 1992-09-22 |
| Fluid flow control valve Grant 5,087,018 - Blase , et al. February 11, 1 | 1992-02-11 |
| Cleaning apparatus Grant 4,910,828 - Blase , et al. March 27, 1 | 1990-03-27 |
| Liquid extraction surface cleaning apparatus Grant 4,864,680 - Blase , et al. September 12, 1 | 1989-09-12 |
| Liquid extraction surface cleaning apparatus Grant 4,827,562 - Blase , et al. May 9, 1 | 1989-05-09 |
| Vacuum cleaner with brush lift-off Grant 4,823,430 - Yonkers , et al. April 25, 1 | 1989-04-25 |
| Electrical appliances including a cord lock Grant 4,809,393 - Goodrich , et al. March 7, 1 | 1989-03-07 |
| Liquid extraction surface cleaning apparatus Grant 4,800,613 - Blase , et al. January 31, 1 | 1989-01-31 |
| Room air treatment system Grant 4,701,195 - Rosendall October 20, 1 | 1987-10-20 |
| Floor sweeper with improved drive wheel construction Grant 4,498,207 - Rosendall February 12, 1 | 1985-02-12 |
| Floor sweeper with improved construction Grant 4,325,156 - Rosendall April 20, 1 | 1982-04-20 |
| Floor sweeper with improved bail assembly Grant 4,168,561 - Rosendall September 25, 1 | 1979-09-25 |
| Floor Sweeper With Auxiliary Surface Litter Brush Means Grant 3,748,679 - Rosendall July 31, 1 | 1973-07-31 |
| Floor Sweeper With Improved Drive Coupling Grant 3,602,932 - Morris , et al. September 7, 1 | 1971-09-07 |
| Brush Manufacture Grant 3,597,787 - Rosendall August 10, 1 | 1971-08-10 |
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