Inventor
WINFIELD DOUGLAS C
US54 patents
⚠️ This page may combine multiple inventors who share the name “WINFIELD DOUGLAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FELKER DAVID L
27 patentsUS8795103B2Aug 5, 2014
Low lift golf ball
FELKER DAVID L1 citations74
US8267810B2Sep 18, 2012
Low lift golf ball
FELKER DAVID L2 citations74
US8262513B2Sep 11, 2012
Low lift golf ball
FELKER DAVID L2 citations74
US8226502B2Jul 24, 2012
Low lift golf ball
FELKER DAVID L2 citations74
US8197361B2Jun 12, 2012
Low lift golf ball
FELKER DAVID L2 citations74
US8192307B2Jun 5, 2012
Low lift golf ball
FELKER DAVID L2 citations74
US9211442B2Dec 15, 2015
Anti-slice golf ball construction
FELKER DAVID L2 citations63
US8708839B2Apr 29, 2014
Low lift golf ball
FELKER DAVID L0 citations63
US8708840B2Apr 29, 2014
Low lift golf ball
FELKER DAVID L0 citations63
US8657706B2Feb 25, 2014
Low lift golf ball
FELKER DAVID L0 citations63
US8622852B2Jan 7, 2014
Low lift golf ball
FELKER DAVID L0 citations63
US8602916B2Dec 10, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8579730B2Nov 12, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8574098B2Nov 5, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8550937B2Oct 8, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8550938B2Oct 8, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8512167B2Aug 20, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8491420B2Jul 23, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8491419B2Jul 23, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8475299B2Jul 2, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8454456B2Jun 4, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8388468B2Mar 5, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8388467B2Mar 5, 2013
Low lift golf ball
FELKER DAVID L0 citations63
US8323124B2Dec 4, 2012
Low lift golf ball
FELKER DAVID L0 citations63
US8251840B2Aug 28, 2012
Low lift golf ball
FELKER DAVID L0 citations63
US8246490B2Aug 21, 2012
Low lift golf ball
FELKER DAVID L0 citations63
US8202179B2Jun 19, 2012
Low lift golf ball
FELKER DAVID L0 citations63
ACUSHNET CO
17 patentsUS6500073B1Dec 31, 2002
Method and apparatus to determine golf ball trajectory and flight
ACUSHNET CO155 citations99
US6488591B1Dec 3, 2002
Method and apparatus to determine golf ball trajectory and flight
ACUSHNET CO150 citations99
US6338684B1Jan 15, 2002
Phyllotaxis-based dimple patterns
ACUSHNET CO212 citations99
US6241622B1Jun 5, 2001
Method and apparatus to determine golf ball trajectory and flight
ACUSHNET CO228 citations99
US6682442B2Jan 27, 2004
Dimple patterns on golf balls
ACUSHNET CO95 citations98
US6781621B1Aug 24, 2004
Launch monitor system with a calibration fixture and a method for use thereof
ACUSHNET CO118 citations97
US6758759B2Jul 6, 2004
Launch monitor system and a method for use thereof
ACUSHNET CO101 citations97
US6764412B2Jul 20, 2004
Method and apparatus to determine golf ball trajectory and flight
ACUSHNET CO56 citations96
US6616543B1Sep 9, 2003
Apparatus to determine golf ball trajectory and flight
ACUSHNET CO35 citations96
US6390934B1May 21, 2002
Method of image processing of paint dots on golf balls
ACUSHNET CO57 citations96
US6682441B2Jan 27, 2004
Phyllotaxis-based dimple patterns
ACUSHNET CO29 citations93
US6533684B2Mar 18, 2003
Phyllotaxis-based dimple patterns
ACUSHNET CO17 citations93
US6527653B2Mar 4, 2003
Pentagonal hexecontahedron dimple pattern on golf balls
ACUSHNET CO35 citations93
US7086955B2Aug 8, 2006
Method and apparatus to determine golf ball trajectory and flight
ACUSHNET CO23 citations92
US6571600B2Jun 3, 2003
Apparatus and method for measurement of coefficient of restitution and contact time
ACUSHNET CO19 citations91
US6609983B2Aug 26, 2003
Dimple pattern on golf balls
ACUSHNET CO9 citations74
US7369158B2May 6, 2008
Launch monitor system with a calibration fixture and a method for use thereof
ACUSHNET CO6 citations73
AERO X GOLF INC
5 patentsUS8038548B2Oct 18, 2011
Low lift golf ball
AERO X GOLF INC14 citations96
USD646736SOct 11, 2011
Golf ball
AERO X GOLF INC21 citations92
USD645529SSep 20, 2011
Golf ball
AERO X GOLF INC13 citations84
US8382613B2Feb 26, 2013
Low lift golf ball
AERO X GOLF INC2 citations73
USD645528SSep 20, 2011
Golf ball
AERO X GOLF INC6 citations73
BLACK & DECKER INC
1 patentShowing the top 50 of 54 patents by PatentIndex Score.