Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D426689 | Vacuum cleaner upper portion | William G. Alford, Douglas C. Barker, Lynn A. Frederick | 2000-06-13 |
| D426688 | Vacuum cleaner upper portion | Douglas C. Barker, Lynn A. Frederick, Richard A. Wareham, John D. Essex | 2000-06-13 |
| 6006402 | Vacuum cleaner suction nozzle configuration | Edgar A. Maurer, Richard A. Wareham, Kurt D. Harsh, Kenneth L. Symensma | 1999-12-28 |
| D412227 | Vacuum cleaner lower portion | Richard A. Wareham | 1999-07-20 |
| D407872 | Medial front portion of a suction nozzle | Richard A. Wareham | 1999-04-06 |
| D391702 | Vacuum cleaner upper portion | Richard A. Wareham | 1998-03-03 |
| D384781 | Hand held vacuum cleaner | John D. Essex | 1997-10-07 |
| 5652996 | Hand held cleaner with swiveling nozzle | Greg A. Bilek, Leron R. Thomas | 1997-08-05 |
| D381144 | Vacuum cleaner nozzle | Richard R. Tucker | 1997-07-15 |
| D381142 | Vacuum cleaner latch | Darwin T. McKnight | 1997-07-15 |
| D379691 | Hand held vacuum cleaner | John D. Essex | 1997-06-03 |
| D372567 | Combined wet and dry vacuum cleaner | Darwin T. McKnight, Ronald J. Stephens, Richard A. Wareham | 1996-08-06 |
| D361179 | Combined wet and dry vacuum cleaner | Darwin T. McKnight, Ronald J. Stephens, Richard A. Wareham | 1995-08-08 |
| D357773 | Combined wet and dry vacuum cleaner | Richard A. Wareham, Ronald J. Stephens | 1995-04-25 |
| D357336 | Vacuum cleaner | Ronald J. Stephens | 1995-04-11 |
| D355109 | Outrigger caster support | Ronald J. Stephens | 1995-02-07 |
| 5373606 | Accessory storage for a vacuum cleaner | Nick M. Bosyj | 1994-12-20 |
| D338753 | Conversion door for vacuum cleaner hood | Darwin T. McKnight | 1993-08-24 |
| D329512 | Power nozzle for a vacuum cleaner | Darwin T. McKnight | 1992-09-15 |
| D326006 | Main body of a vacuum cleaner | — | 1992-05-05 |
| D312902 | Vacuum cleaner | John D. Essex | 1990-12-11 |
| D312903 | Vacuum cleaner | John D. Essex | 1990-12-11 |
| D270865 | Suction cleaner or the like | — | 1983-10-04 |
| D265839 | Electronic drag racing toy | Kenneth M. Kite | 1982-08-17 |