Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497756 | Service life indicator for respirator cartridge | Edna M. deMedeiros | 2002-12-24 |
| 5583496 | Mechanical user interface | Henry Sharpe, III, Ralph Beckman, Jim McKain, Joseph H. Rice, Thomas Ohanian +2 more | 1996-12-10 |
| D321400 | Periodontal probe | Ralph Beckman, Henry Sharpe, III, James W. Barfoot | 1991-11-05 |
| 4995403 | Periodontal probe | Ralph Beckman, Henry Sharpe, III, James W. Barfoot | 1991-02-26 |
| D270372 | Electro-surgical scalpel | Ronald D. Russo, Sam W. Darsie | 1983-08-30 |
| 4317452 | Body fluid drain | Ronald D. Russo, Francis E. Blinkhorn | 1982-03-02 |