Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D689966 | Throat of a racquet | William D. Severa, Robert T. Kapheim, David A. Vogel, Ravi Itiravivong | 2013-09-17 |
| 7591369 | Shuttlecocks | Thomas E. Korder, Alexander R. O. Selch | 2009-09-22 |
| 7211010 | Reinforcing member for a badminton racquet | William D. Severa | 2007-05-01 |
| D523106 | Central portion of a badminton racquet | Alexander R. O. Selch | 2006-06-13 |
| 6902495 | Golf club vibration dampening and sound attenuation system | Jon C. Pergande, Jeffrey D. Sheets, Frank Garrett, Jr., Richard P. Hulock | 2005-06-07 |
| 5481985 | Unitary bowl liner of substantially rigid synthetic resin for a bolster of a truck | John T. Sarnicki | 1996-01-09 |