Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156597 | Cushion roll for bowling lane cleaning machine | Mark E. Davis | 2012-04-17 |
| 7056384 | Strip brush bowling lane dressing application mechanism | Mark E. Davis | 2006-06-06 |
| 6873420 | Topographical measurement machine for bowling lanes and the like | Dennis Davis, John M. Davis, Mark E. Davis | 2005-03-29 |
| 6685778 | Lane dressing supply system for bowling lane maintenance machines | Mark E. Davis, Steven L. Sowards, John M. Davis | 2004-02-03 |