Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172498 | Drill sharpener | David A. Bernard, Scott James Harris, Keith Mosttler | 2007-02-06 |
| 5400546 | Precision twist drill sharpener/point splitting machine | David A. Bernard | 1995-03-28 |
| 4916866 | End mill sharpener | David A. Bernard | 1990-04-17 |
| 4741226 | Power feed | David A. Bernard | 1988-05-03 |
| 4485596 | Twist drill point splitting/web thinning apparatus | David A. Bernard, Richard A. Bernard | 1984-12-04 |