Assignee
ROYAL BUSINESS MACHINES
US·8 granted patents·90 citations·filing 1974–1982
Top patents by PatentIndex Score
8 records- 0186US4210296ARibbon cartridge with integral anti spool rotation deviceROYAL BUSINESS MACHINES·Filed 1978·Granted Jul 1, 1980·34 cites·4 claims
- 0268US3980171ARibbon cartridgeROYAL BUSINESS MACHINES·Filed 1975·Granted Sep 14, 1976·14 cites·6 claims
- 0358US4408913AInked ribbon cartridge ribbon with supply spool drag deviceROYAL BUSINESS MACHINES·Filed 1982·Granted Oct 11, 1983·11 cites·4 claims
- 0457US3998118ARoll fed copierROYAL BUSINESS MACHINES·Filed 1976·Granted Dec 21, 1976·15 cites·10 claims
- 0534US4016966ATypewriter jam release mechanismROYAL BUSINESS MACHINES·Filed 1976·Granted Apr 12, 1977·2 cites·1 claims
- 0632US3958886ALooseleaf binder mechanismROYAL BUSINESS MACHINES·Filed 1974·Granted May 25, 1976·7 cites·12 claims
- 0730US3963109ASingle element typehead positioning mechanismROYAL BUSINESS MACHINES·Filed 1975·Granted Jun 15, 1976·1 cites·10 claims
- 0825US4011018ALoose leaf binderROYAL BUSINESS MACHINES·Filed 1975·Granted Mar 8, 1977·6 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →