Inventor
SUN DONALD J C
US22 patents
⚠️ This page may combine multiple inventors who share the name “SUN DONALD J C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUN DONALD J C
11 patentsUS5273286ADec 28, 1993
Multiple concentric section golf ball
SUN DONALD J C324 citations99
US5219408AJun 15, 1993
One-body precision cast metal wood
SUN DONALD J C186 citations99
US4872685AOct 10, 1989
Golf club head with impact insert member
SUN DONALD J C253 citations99
US5246227ASep 21, 1993
Golf putter with shell molded about weight distributed core
SUN DONALD J C57 citations96
USD312858SDec 11, 1990
Putter head
SUN DONALD J C76 citations96
US5308076AMay 3, 1994
Golf ball with polar region uninterrupted dimples
SUN DONALD J C47 citations92
US5289865AMar 1, 1994
One-body precision cast metal wood
SUN DONALD J C22 citations92
US5261478ANov 16, 1993
One-body precision cast metal wood and process to form same
SUN DONALD J C21 citations92
US5285680AFeb 15, 1994
Golf club measuring apparatus and method
SUN DONALD J C16 citations74
US5192079AMar 9, 1993
Golf ball with smaller and larger dimples
SUN DONALD J C16 citations67
US5087048AFeb 11, 1992
Golf ball
SUN DONALD J C18 citations67
(unassigned)
4 patentsUS6699140B1Mar 2, 2004
Golf putter head with honeycomb face plate structure
148 citations99
US6089994AJul 18, 2000
Golf club head with selective weighting device
395 citations99
US5417419AMay 23, 1995
Golf club with recessed, non-metallic outer face plate
226 citations99
US6247636B1Jun 19, 2001
Hollow golf club head and method for manufacture
20 citations92