Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D579612 | Frame for a drain cleaning machine | Jon R. Dunkin, Larry F. Babb | 2008-10-28 |
| D570558 | Drain cleaner | Jon R. Dunkin | 2008-06-03 |
| 7367077 | Drain cleaning apparatus | Larry F. Babb | 2008-05-06 |
| D509929 | Drain cleaner | Jon R. Dunkin | 2005-09-20 |
| 6615436 | Powered drain cleaner | Danny L. Burch, Jr., Jon R. Dunkin | 2003-09-09 |
| 6412136 | Drain cleaning apparatus | — | 2002-07-02 |
| 6381798 | Spring clutch for drain cleaning machines | Larry F. Babb | 2002-05-07 |
| 6243905 | Drain cleaning apparatus | — | 2001-06-12 |
| 6158076 | Feed control devices for hand operated drain cleaning tools | Larry F. Babb, Jon R. Dunkin | 2000-12-12 |
| 6009588 | Drain cleaning apparatus | — | 2000-01-04 |
| 5901401 | Feed control device for plumbing tools | Jon R. Dunkin | 1999-05-11 |
| 5390389 | Wheeled load carrier | Kevin D. Kostalnick | 1995-02-21 |
| 5031263 | Drain cleaning machine | Larry F. Babb | 1991-07-16 |
| 5031276 | Drain cleaning machine | Larry F. Babb | 1991-07-16 |
| 4795175 | Nipple chuck | Larry F. Babb | 1989-01-03 |