Assignee
WORDEX
5 granted patents·135 citations·filing 1979–1983
Top patents by PatentIndex Score
5 records- 0188US4367963ARefillable typewriter ribbon cartridgeWORDEX·Filed 1980·Granted Jan 11, 1983·56 cites·21 claims
- 0276US4490059ARibbon metering deviceWORDEX·Filed 1983·Granted Dec 25, 1984·24 cites·15 claims
- 0374US4307969AUniversal ribbon cartridgeWORDEX·Filed 1979·Granted Dec 29, 1981·26 cites·13 claims
- 0472US4400103AUniversal ribbon cartridgeWORDEX·Filed 1981·Granted Aug 23, 1983·21 cites·8 claims
- 0560USD272544SRibbon cartridgeWORDEX·Filed 1981·Granted Feb 7, 1984·8 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →