Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6512188 | Lockout mechanism for power tool | David C. Campbell, Gregory Scott Snider, Harry R. Hall | 2003-01-28 |
| 6502316 | Viewing window for circular saw guard | David C. Campbell, Gale A. Heslop, Michael R. Sell | 2003-01-07 |
| 6288350 | Lockout mechanism for power tool | David C. Campbell, Gregory Scott Snider, Harry R. Hall | 2001-09-11 |
| 6237230 | Viewing window for circular saw guard | David C. Campbell, Gale A. Heslop, Michael R. Sell | 2001-05-29 |
| 6219922 | Nozzle assembly for a power tool | David C. Campbell, Gale A. Heslop | 2001-04-24 |
| 6091035 | Lockout mechanism for power tool | David C. Campbell, Gregory Scott Snider, Harry R. Hall | 2000-07-18 |
| 5934143 | Armature shaft deflection limiter | John E. Dibbern, Jr., William R. Stumpf | 1999-08-10 |
| 5911482 | Window assembly and lower saw guard | David C. Campbell, Gale A. Heslop | 1999-06-15 |
| 5895120 | High speed thrust bearing assembly | David C. Campbell | 1999-04-20 |
| 5873282 | Armature shaft deflection limiter | John E. Dibbern, Jr., William R. Stumpf | 1999-02-23 |
| 5822864 | Viewing window for circular saw guard | David C. Campbell, Gale A. Heslop, Michael R. Sell | 1998-10-20 |
| 5083376 | Thrust bearing arrangement for a power tool transmission | — | 1992-01-28 |
| 5070562 | Combination accessory for a power tool | — | 1991-12-10 |
| 4976164 | Thrust bearing arrangement for a power tool transmission | — | 1990-12-11 |
| 4963779 | Brush holder for an electric motor | Terry L. Turner | 1990-10-16 |
| 4440238 | Switch and handle construction for double-insulated electric tool | William D. Sauerwein | 1984-04-03 |