Assignee
LIQUID PAPER CORP
6 granted patents·107 citations·filing 1977–1979
Top patents by PatentIndex Score
6 records- 0185US4251276AThermally activated ink and transfer methodLIQUID PAPER CORP·Filed 1979·Granted Feb 17, 1981·43 cites·41 claims
- 0284US4297260AErasable writing medium compositionLIQUID PAPER CORP·Filed 1979·Granted Oct 27, 1981·40 cites·11 claims
- 0361US4293100AApparatus for ganging and cutting a plurality of layers of strip materialLIQUID PAPER CORP·Filed 1979·Granted Oct 6, 1981·13 cites·12 claims
- 0435US4218945AApparatus for ganging and cutting a plurality of layers of strip materialLIQUID PAPER CORP·Filed 1978·Granted Aug 26, 1980·5 cites·32 claims
- 0531US4131373ATypewriter ribbon cartridgeLIQUID PAPER CORP·Filed 1977·Granted Dec 26, 1978·5 cites·9 claims
- 0627US4270707ATypewriter ribbon spool core shaft adapterLIQUID PAPER CORP·Filed 1979·Granted Jun 2, 1981·1 cites·24 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →