DL

Derek A. Ladd

AC Acushnet: 358 patents #3 of 496Top 1%
📍 Acushnet, MA: #1 of 51 inventorsTop 2%
🗺 Massachusetts: #11 of 88,656 inventorsTop 1%
Overall (All Time): #828 of 4,157,543Top 1%
360
Patents All Time

Issued Patents All Time

Showing 251–275 of 360 patents

Patent #TitleCo-InventorsDate
7534174 Rubber compositions comprising high levels of oily substance and the use thereof in golf balls Michael J. Sullivan, David A. Bulpett, Brian Comeau 2009-05-19
7530908 Multi-layer golf ball having velocity gradient from faster center to slower cover Herbert C. Boehm, Michael J. Sullivan, Steven Aoyama, David A. Bulpett 2009-05-12
7530907 Golf balls having a low modulus HNP layer and a high modulus HNP layer Michael J. Sullivan, Edmund A. Hebert, Douglas E. Jones, Antonio U. DeSimas 2009-05-12
7517289 Golf balls having two or more core layers formed from HNP compositions Michael J. Sullivan, Edmund A. Hebert, Murali Rajagopalan 2009-04-14
7513838 Golf balls having a low modulus HNP layer and a high modulus HNP layer Michael J. Sullivan, Edmund A. Hebert, Murali Rajagopalan 2009-04-07
7503855 Golf ball with large center core Michael J. Sullivan 2009-03-17
7481723 High performance golf ball having a reduced-distance Michael J. Sullivan, Steven Aoyama, Edmund A. Hebert, William E. Morgan, Michael D. Jordan 2009-01-27
7468006 Golf balls having two or more core layers formed from HNP compositions Michael J. Sullivan, Edmund A. Hebert, Murali Rajagopalan 2008-12-23
7458904 Multilayer golf ball Michael J. Sullivan, Edmund A. Hebert, Herbert C. Boehm 2008-12-02
7452291 Foam-core golf balls Michael J. Sullivan, Edmund A. Hebert 2008-11-18
7452290 Golf balls having a low modulus HNP layer and a high modulus HNP layer Michael J. Sullivan, Edmund A. Hebert, Murali Rajagopalan 2008-11-18
7446150 Low compression, resilient golf balls with rubber core Laurent Bissonnette, David A. Bulpett, Murali Rajagopalan 2008-11-04
7438651 Multi-layer core golf ball Michael J. Sullivan, Antonio U. DeSimas 2008-10-21
7429221 Negative hardness gradient outer core layer for dual core golf ball David A. Bulpett, Brian Comeau, Michael J. Sullivan 2008-09-30
7410429 Negative hardness gradient inner core for dual core golf ball David A. Bulpett, Brian Comeau, Michael J. Sullivan 2008-08-12
7388053 Perimeter weighted golf ball Michael J. Sullivan, Peter Voorheis 2008-06-17
7377863 Multi-layer golf ball having improved inter-layer adhesion via induction heating Michael J. Sullivan 2008-05-27
7371192 Golf ball Michael J. Sullivan, Antonio U. DeSimas 2008-05-13
7361711 Compositions for use in golf balls David A. Bulpett, Brian Comeau 2008-04-22
7361103 Golf ball with small inner core Michael J. Sullivan 2008-04-22
7361102 Golf ball with large inner core Michael J. Sullivan 2008-04-22
7358308 Compositions for use in golf balls David A. Bulpett 2008-04-15
7357736 Golf balls having a low modulus HNP layer and a high modulus HNP layer Michael J. Sullivan, Edmund A. Hebert, Murali Rajagopalan 2008-04-15
7357735 Fully-neutralized ionomers for use in golf ball having a large core and a thin, dense layer Michael J. Sullivan, Antonio U. DeSimas 2008-04-15
7357734 Thick inner cover multi-layer golf ball Michael J. Sullivan 2008-04-15