Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051571 | Hair clipper with blade assembly release | Richard J. Tringali, Andrew A. Skuhra | 2011-11-08 |
| 7080458 | Ceramic movable blades for blade sets of hair clippers | — | 2006-07-25 |
| 6948248 | Hair trimmer | Richard J. Tringali, Robert E. Derby | 2005-09-27 |
| 6739071 | Combined diffuser and concentrator for a hair dryer | Thomas C. Maddocks, Albert Wan | 2004-05-25 |
| RE36995 | Hand held appliance and holder assembly | — | 2000-12-26 |
| 6112414 | Rechargeable hair clipper assembly | Robert E. Derby, John M. Piwaron | 2000-09-05 |
| 6105252 | Razor assembly including detachable and vibratable head | — | 2000-08-22 |
| 6002562 | Hair dryer with interior current interrupting device | — | 1999-12-14 |
| 5966833 | Hair dryer with removable concentrator | Thomas C. Maddocks | 1999-10-19 |
| 5604985 | Hair trimmer with movable comb and latch | John M. Piwaron | 1997-02-25 |
| 5590475 | Hand held appliance and holder assembly | — | 1997-01-07 |
| D372189 | Wall bracket for a hand-held blower | Timothy B. Strandell | 1996-07-30 |
| 5325590 | Hair trimmer having a low-friction rotary drive | John M. Piwaron | 1994-07-05 |
| 5275339 | Diffuser for hair dryer | Albert Wan | 1994-01-04 |
| 5230153 | Mounting bracket for hair trimmers | — | 1993-07-27 |
| 5092048 | Cutting head assembly for hair trimmers | Daniel L. Sukow, Daniel C. Quella | 1992-03-03 |
| 5088200 | Hair trimmer having a low-friction rotary drive | John M. Piwaron, Daniel L. Sukow | 1992-02-18 |
| 5084974 | Clipper with lever actuated adjustable comb | Daniel L. Sukow, Daniel C. Quella | 1992-02-04 |
| 4989324 | Hair clipper blade set | — | 1991-02-05 |
| 4833283 | Hand-held blower with interior waterproof switch assembly | Richard L. Urbush | 1989-05-23 |
| 4756320 | Hair curling appliance with a heating element comprising a heating wire wound around an inner core | Thomas C. Maddocks, Charles H. Heide | 1988-07-12 |
| 4742199 | Hand-held dryer with waterproof chamber for electrical switch | Richard L. Urbush | 1988-05-03 |
| 4695704 | Hair grooming attachment for a curling iron | — | 1987-09-22 |
| 4659907 | Wall mounted device with hand-held hair dryer | Richard L. Urbush, Thomas C. Maddocks | 1987-04-21 |
| 4549560 | Hair curling appliance with elastomer material covering heating element | — | 1985-10-29 |