Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056228 | Variable density core golf balls | Derek A. Ladd, Michael J. Sullivan, Edmund A. Hebert | 2015-06-16 |
| 8715111 | Multi-layer core golf ball | Michael J. Sullivan, Derek A. Ladd | 2014-05-06 |
| 8702535 | Multi-layered core golf ball | Michael J. Sullivan, Derek A. Ladd | 2014-04-22 |
| 8235845 | Variable density core golf balls | Derek A. Ladd, Michael J. Sullivan, Edmund A. Hebert | 2012-08-07 |
| 7874939 | Multi-layer core golf ball | Michael J. Sullivan, Derek A. Ladd | 2011-01-25 |
| 7744488 | Golf balls having two or more core layers formed from HNP compositions | Michael J. Sullivan, Derek A. Ladd, Edmund A. Hebert, Douglas E. Jones | 2010-06-29 |
| 7744493 | Multi-layer core golf ball | Michael J. Sullivan, Derek A. Ladd | 2010-06-29 |
| 7651415 | Variable density core golf balls | Derek A. Ladd, Michael J. Sullivan, Edmund A. Hebert | 2010-01-26 |
| 7530907 | Golf balls having a low modulus HNP layer and a high modulus HNP layer | Michael J. Sullivan, Derek A. Ladd, Edmund A. Hebert, Douglas E. Jones | 2009-05-12 |
| 7438651 | Multi-layer core golf ball | Michael J. Sullivan, Derek A. Ladd | 2008-10-21 |
| 7371192 | Golf ball | Michael J. Sullivan, Derek A. Ladd | 2008-05-13 |
| 7357735 | Fully-neutralized ionomers for use in golf ball having a large core and a thin, dense layer | Michael J. Sullivan, Derek A. Ladd | 2008-04-15 |
| 7285059 | Golf ball | Michael J. Sullivan, Derek A. Ladd | 2007-10-23 |
| 7285058 | Pre-vulcanized or pre-crosslinked materials for golf balls | Michael J. Sullivan, Derek A. Ladd, David A. Bulpett | 2007-10-23 |
| 7255656 | Multi-layer core golf ball | Michael J. Sullivan, Derek A. Ladd | 2007-08-14 |
| 7141196 | Method of manufacturing a golf ball having one or more layers | Michael J. Sullivan, Derek A. Ladd, David A. Bulpett | 2006-11-28 |
| 7131915 | Three-layer-cover golf ball | Michael J. Sullivan, Derek A. Ladd | 2006-11-07 |
| 7074137 | Golf ball | Michael J. Sullivan, Derek A. Ladd | 2006-07-11 |
| 7033532 | Process and composition for making multi-layer golf balls using rigid uncrosslinked shells | Laurent Bissonnette, Samuel A. Pasqua, Jr. | 2006-04-25 |
| 7014575 | Golf ball with multi-layered core | Michael J. Sullivan, Derek A. Ladd | 2006-03-21 |
| 6988962 | Multi-layered core golf ball | Michael J. Sullivan, Derek A. Ladd | 2006-01-24 |
| 6981926 | Multi-layered core golf ball | Michael J. Sullivan, Derek A. Ladd | 2006-01-03 |
| 6852042 | Golf ball | Michael J. Sullivan, Derek A. Ladd | 2005-02-08 |
| 6852043 | Golf ball | Michael J. Sullivan, Derek A. Ladd | 2005-02-08 |
| 6852044 | Multi-layered core golf ball | Michael J. Sullivan, Derek A. Ladd | 2005-02-08 |