Inventor
TZIVANIS MICHAEL JOHN
US25 patents
⚠️ This page may combine multiple inventors who share the name “TZIVANIS MICHAEL JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPALDING SPORTS WORLDWIDE INC
10 patentsUS6548618B2Apr 15, 2003
Golf ball having dual core and thin polyurethane cover formed by RIM
SPALDING SPORTS WORLDWIDE INC111 citations99
US6290614B1Sep 18, 2001
Golf ball which includes fast-chemical-reaction-produced component and method of making same
SPALDING SPORTS WORLDWIDE INC128 citations98
US6186906B1Feb 13, 2001
Gel matrix golf ball
SPALDING SPORTS WORLDWIDE INC57 citations95
US6585607B2Jul 1, 2003
Adhesion process
SPALDING SPORTS WORLDWIDE INC24 citations93
US6482109B2Nov 19, 2002
Golf ball
SPALDING SPORTS WORLDWIDE INC24 citations93
US6450898B1Sep 17, 2002
Golf ball
SPALDING SPORTS WORLDWIDE INC22 citations92
US6440012B1Aug 27, 2002
Golf ball
SPALDING SPORTS WORLDWIDE INC26 citations92
US6409614B1Jun 25, 2002
Multi-layer golf ball and method of making same
SPALDING SPORTS WORLDWIDE INC28 citations92
US6533566B2Mar 18, 2003
Apparatus for making a golf ball
SPALDING SPORTS WORLDWIDE INC26 citations89
US6407147B1Jun 18, 2002
Game ball with soft, radiation cross-linked cover containing unneutralized terpolymer
SPALDING SPORTS WORLDWIDE INC2 citations63
CALLAWAY GOLF CO
10 patentsUS7241232B2Jul 10, 2007
Golf ball having dual core and thin polyurethane cover formed by rim
CALLAWAY GOLF CO33 citations96
US6824476B2Nov 30, 2004
Multi-layer golf ball
CALLAWAY GOLF CO50 citations93
US6663508B1Dec 16, 2003
Multi-layer golf ball with reaction injection molded polyurethane component
CALLAWAY GOLF CO34 citations92
US7140981B2Nov 28, 2006
Golf ball having dual core and thin polyurethane cover formed by RIM
CALLAWAY GOLF CO7 citations74
US6929568B2Aug 16, 2005
Golf ball
CALLAWAY GOLF CO9 citations74
US6905648B2Jun 14, 2005
Golf ball having dual core and thin polyurethane cover formed by RIM
CALLAWAY GOLF CO8 citations74
US6902499B2Jun 7, 2005
Golf ball
CALLAWAY GOLF CO6 citations74
US7182701B2Feb 27, 2007
Multi-layer golf ball with reaction injection molded polyurethane component
CALLAWAY GOLF CO2 citations63
US7074138B2Jul 11, 2006
Golf ball
CALLAWAY GOLF CO1 citations63
US6905424B2Jun 14, 2005
Golf ball which includes fast-chemical-reaction-produced component and method of making same
CALLAWAY GOLF CO1 citations52