Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761948 | Waste line inspection and clean-out tool | — | 2010-07-27 |
| 6142460 | Method and apparatus for installing and removing a sink mounted garbage disposer | — | 2000-11-07 |
| 6135466 | Transport dolly for lifting and transporting lavatory fixtures | — | 2000-10-24 |
| 6076219 | Waste line clean out apparatus | — | 2000-06-20 |
| 5996159 | Waste line inspection and clean out device with water jet head | — | 1999-12-07 |
| 5933903 | Waste line clean out device with water jet head | — | 1999-08-10 |
| 5862561 | Waste line inspection and clean out device with water jet head | — | 1999-01-26 |
| 5497516 | Drain sealing apparatus | — | 1996-03-12 |
| 5414888 | Grip handle chuck | — | 1995-05-16 |
| 5265301 | Drain cleaning apparatus | — | 1993-11-30 |
| 5239708 | Pneumatic waste line clean-out tool | — | 1993-08-31 |
| 5193242 | Wasteline cleanout apparatus | — | 1993-03-16 |
| 5004119 | Drain sealing apparatus | — | 1991-04-02 |
| 4942873 | Resuscitation device | Frank R. Irwin | 1990-07-24 |
| 4870992 | Backflow prevention device | Frank R. Irwin | 1989-10-03 |
| 4816957 | Ground line fault interrupter adapter unit | — | 1989-03-28 |
| D298071 | Sewer cleanout apparatus | — | 1988-10-11 |
| 4716613 | Pipe cleaning machine | — | 1988-01-05 |
| 4694634 | Vacuum sealing device for insulated steam injection tubing | Paul T. Anderson, John C. Matthews, Charles E. Paugh | 1987-09-22 |
| 4686732 | Waste line cleanout apparatus | — | 1987-08-18 |
| 4679378 | Vacuum sealing device for insulated steam injection tubing | Paul T. Anderson, John C. Matthews, Charles E. Paugh | 1987-07-14 |
| 4611360 | Pipe cleaning machine | — | 1986-09-16 |
| 4580306 | Waste line cleanout apparatus | — | 1986-04-08 |
| 4542543 | Impact device | — | 1985-09-24 |
| 4508468 | Locking coupling | — | 1985-04-02 |