Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8281823 | Refueling apparatus with an automatic stop | Michael J. Mitrovich | 2012-10-09 |
| 8132286 | String cleaning system | David Chiappetta, Agjah I. Libohova | 2012-03-13 |
| D612557 | String cleaner | David Chiappetta, Agjah I. Libohova | 2010-03-23 |
| D563067 | One-piece guitar string cleaner | David Chiappetta | 2008-02-26 |
| 5538009 | Biopsy needle assembly | Jan L. Como, Gregory D. Volan, Stephen Kuehn, Terrence Snyder, T. Michael Dennehey +1 more | 1996-07-23 |
| 5398234 | DS-0 loop-back detection on a DS-1 line | Anne O'Connell, John Hickey | 1995-03-14 |
| 5029756 | Dispensing device | — | 1991-07-09 |
| 4818208 | Mold closing device | — | 1989-04-04 |