Assignee
PORTALS LTD
13 granted patents·1,040 citations·filing 1975–1996
Top patents by PatentIndex Score
13 records- 0193US5388862ASecurity articlesPORTALS LTD·Filed 1993·Granted Feb 14, 1995·112 cites·35 claims
- 0293US4183989ASecurity papersPORTALS LTD·Filed 1977·Granted Jan 15, 1980·189 cites·13 claims
- 0392US5678863AHigh value documentsPORTALS LTD·Filed 1993·Granted Oct 21, 1997·98 cites·14 claims
- 0492US4943093ASecurity paper for bank notes and the likePORTALS LTD·Filed 1988·Granted Jul 24, 1990·121 cites·28 claims
- 0592US4037007ADocument authentification paperPORTALS LTD·Filed 1975·Granted Jul 19, 1977·66 cites·15 claims
- 0690US5093184ASecurity paper with metallic patterned elongated security elementPORTALS LTD·Filed 1990·Granted Mar 3, 1992·95 cites·21 claims
- 0787US4462866ASheet materialsPORTALS LTD·Filed 1982·Granted Jul 31, 1984·81 cites·9 claims
- 0881US5868902ASecurity paperPORTALS LTD·Filed 1996·Granted Feb 9, 1999·38 cites·18 claims
- 0981US4462867APaper incorporating a partially embedded stripPORTALS LTD·Filed 1982·Granted Jul 31, 1984·64 cites·9 claims
- 1079US5928471ASecurity features for paperPORTALS LTD·Filed 1994·Granted Jul 27, 1999·63 cites·15 claims
- 1176US5631039ASecurity thread, a film and a method of manufacture of a security threadPORTALS LTD·Filed 1994·Granted May 20, 1997·64 cites·23 claims
- 1272US5405500AMethod for making sheet materials and security paperPORTALS LTD·Filed 1993·Granted Apr 11, 1995·36 cites·6 claims
- 1350US6063239ASecurity paperPORTALS LTD·Filed 1996·Granted May 16, 2000·13 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →