Issued Patents All Time
Showing 51–56 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209022 | Edge sharpening or surface abrading apparatus | — | 1993-05-11 |
| 5075971 | Methods and apparatus for trimming hair and disposing of hair clippings | — | 1991-12-31 |
| 4783878 | Vacuum cleaner | — | 1988-11-15 |
| 4688293 | Vacuum cleaner | — | 1987-08-25 |
| 4654926 | Vacuum cleaner | — | 1987-04-07 |
| 4350193 | Power tool accessory table | Siebolt Hettinga | 1982-09-21 |