Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939404 | Lane maintenance machine having reciprocating cleaning liquid dispensing head | John M. Davis | 2005-09-06 |
| 6873420 | Topographical measurement machine for bowling lanes and the like | Dennis Davis, Anthony Crews, John M. Davis | 2005-03-29 |