Assignee
ROWLAND INC
3 granted patents·42 citations·filing 1975–1980
Top patents by PatentIndex Score
3 records- 0150US4011292AMethod for producing sheet material with multicolor striated pattern and sheet material produced therebyROWLAND INC·Filed 1975·Granted Mar 8, 1977·16 cites·6 claims
- 0248US4382803ATools for optical lensesROWLAND INC·Filed 1980·Granted May 10, 1983·17 cites·27 claims
- 0338US4072791ASheet material with multicolor striated patternROWLAND INC·Filed 1976·Granted Feb 7, 1978·9 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →