Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523906 | Floor covering removal apparatus | — | 2003-02-25 |
| 6067940 | Portable corral | — | 2000-05-30 |
| 5409299 | Apparatus for removing floor covering | — | 1995-04-25 |
| 5197784 | Apparatus for removing floor covering | — | 1993-03-30 |
| 5082330 | Apparatus for removing floor covering | — | 1992-01-21 |
| 5029558 | Rotary vee engine | Robert W. Sullivan, Max F. Buchanan | 1991-07-09 |
| 5014653 | Rotary vee engine | Robert W. Sullivan, Max F. Buchanan | 1991-05-14 |
| 5009198 | Rotary vee engine | Robert W. Sullivan, Max F. Buchanan | 1991-04-23 |
| 4960082 | Rotary vee engine | Robert W. Sullivan, Max F. Buchanan | 1990-10-02 |
| 4867107 | Rotary vee engine | Robert W. Sullivan, Max F. Buchanan | 1989-09-19 |
| 4648358 | Rotary vee engine | Robert W. Sullivan, Max F. Buchanan | 1987-03-10 |