Inventor
LADD DEREK A
US355 patents
⚠️ This page may combine multiple inventors who share the name “LADD DEREK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ACUSHNET CO
47 patentsUS7722482B2May 25, 2010
Multi-layer core golf ball
ACUSHNET CO97 citations99
US7410429B1Aug 12, 2008
Negative hardness gradient inner core for dual core golf ball
ACUSHNET CO100 citations99
US7255656B2Aug 14, 2007
Multi-layer core golf ball
ACUSHNET CO167 citations99
US7125345B2Oct 24, 2006
Low deformation golf ball
ACUSHNET CO130 citations99
US6916254B2Jul 12, 2005
Golf ball with small inner core
ACUSHNET CO148 citations99
US6780126B2Aug 24, 2004
Golf ball with large inner core
ACUSHNET CO84 citations99
US6688991B2Feb 10, 2004
Golf ball with foam core and filled cover
ACUSHNET CO166 citations99
US6284840B1Sep 4, 2001
Golf ball core compositions containing high Vicat softening temperature, resilient thermoplastic materials
ACUSHNET CO108 citations99
US6180040B1Jan 30, 2001
Method of forming a golf ball core
ACUSHNET CO312 citations99
US7935004B2May 3, 2011
Golf balls having a low modulus HNP layer and a high modulus HNP layer
ACUSHNET CO73 citations98
US7887438B2Feb 15, 2011
Multi-layer golf ball
ACUSHNET CO47 citations98
US7785216B2Aug 31, 2010
Golf balls including mechanically hybridized layers and methods of making same
ACUSHNET CO62 citations98
US7744489B2Jun 29, 2010
Multi-layer core golf ball having opposing hardness gradient with steep gradient outer core layer
ACUSHNET CO68 citations98
US7713145B2May 11, 2010
Multi-layer core golf ball
ACUSHNET CO52 citations98
US7708654B2May 4, 2010
Foam-core golf balls
ACUSHNET CO76 citations98
US7708656B2May 4, 2010
Multi-layer core golf ball
ACUSHNET CO59 citations98
US7652086B2Jan 26, 2010
Highly-neutralized thermoplastic copolymer center for improved multi-layer core golf ball
ACUSHNET CO62 citations98
US7537530B2May 26, 2009
Golf ball with negative hardness gradient core
ACUSHNET CO56 citations98
US7481723B2Jan 27, 2009
High performance golf ball having a reduced-distance
ACUSHNET CO93 citations98
US7468006B2Dec 23, 2008
Golf balls having two or more core layers formed from HNP compositions
ACUSHNET CO58 citations98
US7452291B2Nov 18, 2008
Foam-core golf balls
ACUSHNET CO131 citations98
US7371192B2May 13, 2008
Golf ball
ACUSHNET CO67 citations98
US7357736B2Apr 15, 2008
Golf balls having a low modulus HNP layer and a high modulus HNP layer
ACUSHNET CO62 citations98
US7331878B2Feb 19, 2008
Multi-layer golf ball having velocity gradient from slower center to faster cover
ACUSHNET CO62 citations98
US7259191B2Aug 21, 2007
Multi-layer golf ball with a foamed intermediate layer
ACUSHNET CO66 citations98
US7211008B2May 1, 2007
Golf balls having a low modulus HNP layer and a high modulus HNP layer
ACUSHNET CO65 citations98
US7131915B2Nov 7, 2006
Three-layer-cover golf ball
ACUSHNET CO92 citations98
US7037965B2May 2, 2006
Golf balls comprising glass ionomers, ormocers, or other hybrid organic/inorganic compositions
ACUSHNET CO95 citations98
US6995191B2Feb 7, 2006
Multi-layer golf ball with a foamed intermediate layer
ACUSHNET CO74 citations98
US6988962B2Jan 24, 2006
Multi-layered core golf ball
ACUSHNET CO134 citations98
US6981926B2Jan 3, 2006
Multi-layered core golf ball
ACUSHNET CO70 citations98
US6852042B2Feb 8, 2005
Golf ball
ACUSHNET CO93 citations98
US6852044B2Feb 8, 2005
Multi-layered core golf ball
ACUSHNET CO129 citations98
US6783468B2Aug 31, 2004
Low deformation golf ball
ACUSHNET CO78 citations98
US6762244B2Jul 13, 2004
Golf ball core compositions containing high vicat softening themperature, resilient thermoplastic materials
ACUSHNET CO71 citations98
US6692380B2Feb 17, 2004
Golf ball with high density center
ACUSHNET CO133 citations98
US6355715B1Mar 12, 2002
Multi-layered golf ball and composition
ACUSHNET CO86 citations98
US6339119B1Jan 15, 2002
Scorch retarding golf ball composition
ACUSHNET CO94 citations98
US6180722B1Jan 30, 2001
Dual core golf ball compositions
ACUSHNET CO346 citations97
US8556748B2Oct 15, 2013
Multi-layer core golf ball
ACUSHNET CO27 citations96
US8007375B2Aug 30, 2011
Highly-neutralized thermoplastic copolymer center for improved multi-layer core golf ball
ACUSHNET CO34 citations96
US7963862B2Jun 21, 2011
Golf balls having at least two core layers formed from HNP compositions
ACUSHNET CO39 citations96
US7833113B2Nov 16, 2010
Multi-layer golf ball
ACUSHNET CO40 citations96
US7713146B2May 11, 2010
Multi-layer core golf ball
ACUSHNET CO43 citations96
US7591742B2Sep 22, 2009
Multilayer golf ball
ACUSHNET CO42 citations96
US7591741B2Sep 22, 2009
Multi-layer core golf ball
ACUSHNET CO27 citations96
US7361102B2Apr 22, 2008
Golf ball with large inner core
ACUSHNET CO39 citations96
SULLIVAN MICHAEL J
2 patentsCOMEAU BRIAN
1 patentShowing the top 50 of 355 patents by PatentIndex Score.