Individual holder
DRETZKE CARL F
4 granted patents·42 citations·filing 1975–1980
Individually held — no corporate assignee on record.
Technology mixB65G1
Top patents by PatentIndex Score
4 records- 0169USD266686SClub for a ball and club gameDRETZKE CARL F·Filed 1980·Granted Oct 26, 1982·13 cites·1 claims
- 0263USD268123SClub for a ball and club gameDRETZKE CARL F·Filed 1980·Granted Mar 1, 1983·10 cites·1 claims
- 0353US3986602AChain linksDRETZKE CARL F·Filed 1975·Granted Oct 19, 1976·13 cites·1 claims
- 0451USD268124SClub for a ball and club gameDRETZKE CARL F·Filed 1980·Granted Mar 1, 1983·6 cites·1 claims
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