Assignee
BURD BARTZ & GUTENKAUF
4 granted patents·44 citations·filing 1984–1985
Technology mixH04M1
Top patents by PatentIndex Score
4 records- 0175USD289159SCoin operated box telephone unitBURD BARTZ & GUTENKAUF·Filed 1984·Granted Apr 7, 1987·13 cites·1 claims
- 0274USD287966SCoin-operated telephone boxBURD BARTZ & GUTENKAUF·Filed 1985·Granted Jan 27, 1987·15 cites·1 claims
- 0352US4645876APay telephoneBURD BARTZ & GUTENKAUF·Filed 1985·Granted Feb 24, 1987·13 cites·24 claims
- 0444USD297235SCombined telephone, coin box and support thereforBURD BARTZ & GUTENKAUF·Filed 1984·Granted Aug 16, 1988·3 cites·1 claims
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