| 11096537 |
Vacuum bag |
James P. Blackwell, Jr., Robert L. Crevling, Jr. |
2021-08-24 |
| 11013380 |
Wet/dry vacuum bag |
James P. Blackwell, Jr., Robert L. Crevling, Jr. |
2021-05-25 |
| 10285549 |
Wet/dry vacuum bag |
James P. Blackwell, Jr., Robert L. Crevling, Jr. |
2019-05-14 |
| 10165919 |
Vacuum bag |
James P. Blackwell, Jr., Robert L. Crevling, Jr. |
2019-01-01 |
| 8533902 |
Removable circuit board assembly for a vacuum |
Neil N. Norell, Melvin E. Wolfe, Jr., James M. Robitaille, Doug Adams |
2013-09-17 |
| 8381351 |
Mop bucket |
Robert L. Crevling, Jr., Melvin E. Wolfe, Jr., John Griffin, David Martinez |
2013-02-26 |
| 8015661 |
Vacuum with rechargeable battery |
Mark E. Baer, Li H. Liu |
2011-09-13 |
| D619318 |
Mop bucket |
Robert L. Crevling, Jr., Melvin E. Wolfe, Jr., John Griffin, David Martinez |
2010-07-06 |
| D611215 |
Mop bucket |
Robert L. Crevling, Jr., Melvin E. Wolfe, Jr., John Griffin, David Martinez |
2010-03-02 |
| 4955104 |
Liquid dispensing and suctioning system for surface cleaning |
— |
1990-09-11 |
| 4845802 |
Carpet cleaning apparatus |
Matthew L. Miller, Michael B. Woodhall, Mark F. Jennings |
1989-07-11 |
| 4577366 |
Vacuum cleaner nozzle having rotating brush |
Robert C. Berfield, Robert L. Crevling, Jr. |
1986-03-25 |
| 4538971 |
Assembly of tank lid and fan means of a wet/dry vacuum |
Rudolph W. Wacek, Robert C. Berfield, Ronald F. Meland, Robert L. Crevling, Jr., Lonnie B. Lawson, Jr. |
1985-09-03 |
| D276279 |
Electric vacuum cleaner |
Rudolph W. Wacek, Robert C. Berfield |
1984-11-06 |
| 4380845 |
Nozzle for hand-held vacuum |
Kerry E. Strouse, Richard M. Fegan |
1983-04-26 |
| 4334337 |
Compact wet-dry electric vacuum cleaner |
Richard M. Fegan, Robert C. Berfield, Kenneth R. Hiester, Rudolph W. Wacek |
1982-06-15 |
| 4330899 |
Noise reducing blower motor housing means for vacuum cleaner, or the like |
Richard M. Fegan, Robert C. Berfield, Kenneth R. Hiester, Rudolph W. Wacek |
1982-05-25 |
| 4229193 |
Vacuum cleaner and sealed filter bag assembly therefor particularly useful for filtering asbestos fibers from air |
— |
1980-10-21 |
| 4213224 |
By-pass type portable vacuum cleaner |
— |
1980-07-22 |