Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D320540 | Pneumatic tool | Gregory P. Albert, Kenneth J. Dubuque, Charles J. Hix, Jr. | 1991-10-08 |
| D320541 | Angled pneumatic tool | Gregory P. Albert, Kenneth J. Dubuque, Charles J. Hix, Jr., Duane S. Gable | 1991-10-08 |
| D313156 | Electric stapler | — | 1990-12-25 |
| D308930 | Stapler | John Leszczak, William H. Valls | 1990-07-03 |
| D308257 | Flashlight | Frank G. Marshall | 1990-05-29 |
| D304903 | Stapler | John Leszczak, William H. Valls | 1989-12-05 |
| D304734 | Swivel rotary file | John Leszczak | 1989-11-21 |
| D304735 | Covered swivel rotary file | John Leszczak | 1989-11-21 |
| 4831677 | Sponge mop | Keith Morrison, William H. Valls, Peter M. MacDonald | 1989-05-23 |
| D296486 | Vacuum cleaner | H. Gerald Young | 1988-06-28 |
| D287070 | Disk holder | John Leszczak | 1986-12-09 |
| D262315 | Holder (with sleeve) for interproximal brushes | Emanuel B. Tarrson, Steven Tisma | 1981-12-15 |
| D262316 | Holder (without sleeve) for interproximal brushes | Emanuel B. Tarrson, Steven Tisma | 1981-12-15 |
| D262236 | Holder for interproximal brushes | Emanuel B. Tarrson, Steven Tisma | 1981-12-08 |
| 4222143 | Interproximal brush handle | Emanuel B. Tarrson, Steven Tisma | 1980-09-16 |