Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11707898 | Skateboard deck | — | 2023-07-25 |
| 11046037 | Panel structure with foam core and methods of manufacturing articles using the panel structure | — | 2021-06-29 |
| 10377093 | Panel structure with foam core and methods of manufacturing articles using the panel structure | — | 2019-08-13 |
| 7867428 | Method of making a composite racquet | — | 2011-01-11 |
| 7144341 | Sports racquet with deflection enhancing string bed | — | 2006-12-05 |
| 7140985 | Stringing indicia for sports racquets | — | 2006-11-28 |
| 7097576 | String bearing assemblies for sports racquets | — | 2006-08-29 |
| 7077768 | Composite racquet with double tube head frame | — | 2006-07-18 |
| 6958104 | Sports racket with undulations in frame interior surface | — | 2005-10-25 |
| 6935974 | Racquet strung with bypass string pattern | — | 2005-08-30 |
| 6852048 | Guiding and vibration dampening string tubes for sports racquets | — | 2005-02-08 |
| 6796916 | Sports racquet with deflection enhancing string bed | — | 2004-09-28 |
| 6764417 | Racquet strung with bypass string pattern | — | 2004-07-20 |
| D476386 | String-enclosing tubes for a sports racquet | — | 2003-06-24 |
| 6447412 | Sports racket with undulations in frame interior surface | — | 2002-09-10 |
| 6062994 | Reinforced racquet with flat string bed | Ronald Alan Grimes, Raymond L. Mortvedt | 2000-05-16 |