Winfield; Douglas
Patent Applications and Registrations
Patent applications and USPTO patent grants for Winfield; Douglas.The latest application filed is for "system, method and computer program product for estimating club swing condition(s) from ball launch measurements".
- Winfield; Douglas - Madison AL
- Winfield; Douglas - Knoxville TN
- Winfield; Douglas - Mattapoisett MA
| Patent | Date |
|---|---|
| Golf ball Grant D831,138 - Winfield October 16, 2 | 2018-10-16 |
| Multilayer golf ball Grant 7,160,209 - Marotta , et al. January 9, 2 | 2007-01-09 |
| System, method and computer program product for estimating club swing condition(s) from ball launch measurements App 20060068927 - Rankin; David B. ; et al. | 2006-03-30 |
| Apparatus, method and computer program product for obtaining a measure of launch efficiency App 20060030431 - Rankin; David B. ; et al. | 2006-02-09 |
| Multilayer golf ball App 20050113187 - Marotta, Edigio ; et al. | 2005-05-26 |
| Method for determining aerodynamic characteristics of a golf ball Grant 6,285,445 - Winfield , et al. September 4, 2 | 2001-09-04 |
| Method for determining coefficients of lift and drag of a golf ball Grant 6,186,002 - Lieberman , et al. February 13, 2 | 2001-02-13 |
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