Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075429 | Racquet stringing machine | William D. Severa, Ronald R. Rocchi, John B. Lyons, Robert T. Kapheim | 2011-12-13 |
| 7695383 | Racquet stringing machine | William D. Severa, Ronald R. Rocchi, John B. Lyons, Robert T. Kapheim, Daniel R. Nett +1 more | 2010-04-13 |
| D571384 | String-pulling body of a racket stringing apparatus | — | 2008-06-17 |
| 7192370 | String tensioning force controlling apparatus for a racket stringer | — | 2007-03-20 |
| 7153226 | String-pulling device of a racket stringing apparatus | — | 2006-12-26 |
| 7144342 | String pulling head structure of a racket stringer | — | 2006-12-05 |