Assignee
CROWN ROLL LEAF INC
US·14 granted patents·701 citations·filing 1989–1999
Top patents by PatentIndex Score
14 records- 0189US5603259AIn-line cold foil transfer process and apparatusCROWN ROLL LEAF INC·Filed 1995·Granted Feb 18, 1997·57 cites·14 claims
- 0289US5513019ASemi-transparent reflective layer for a phase hologramCROWN ROLL LEAF INC·Filed 1993·Granted Apr 30, 1996·86 cites·23 claims
- 0388US5351142ASemi-transparent reflective layer for a phase hologramCROWN ROLL LEAF INC·Filed 1993·Granted Sep 27, 1994·95 cites·16 claims
- 0488US5331443ALaser engraved verification hologram and associated methodsCROWN ROLL LEAF INC·Filed 1992·Granted Jul 19, 1994·245 cites·36 claims
- 0579US5585144AHologram with integral printed indiciaCROWN ROLL LEAF INC·Filed 1994·Granted Dec 17, 1996·35 cites·17 claims
- 0671US5695808AMethod for making transparent reflective filmsCROWN ROLL LEAF INC·Filed 1996·Granted Dec 9, 1997·48 cites·17 claims
- 0767US5073221AApparatus and process of making magnetically readable cardsCROWN ROLL LEAF INC·Filed 1989·Granted Dec 17, 1991·31 cites·12 claims
- 0863US5956164ATwo-dimensional/three dimensional graphic material and method of making sameCROWN ROLL LEAF INC·Filed 1998·Granted Sep 21, 1999·29 cites·14 claims
- 0962US5834096AHologram with integral printed indiciaCROWN ROLL LEAF INC·Filed 1996·Granted Nov 10, 1998·27 cites·20 claims
- 1052US6461544B1Two-dimensional/three-dimensional graphic material and method of making sameCROWN ROLL LEAF INC·Filed 1998·Granted Oct 8, 2002·17 cites·13 claims
- 1151US5951769AMethod and apparatus for making high refractive index (HRI) filmCROWN ROLL LEAF INC·Filed 1997·Granted Sep 14, 1999·17 cites·21 claims
- 1235US5158845AMulti-colored material using rainbow gratingCROWN ROLL LEAF INC·Filed 1989·Granted Oct 27, 1992·6 cites·38 claims
- 1331US6194031B1Method for making high refractive index (HRI) film by adjusting the flow rate of a vaporized materialCROWN ROLL LEAF INC·Filed 1999·Granted Feb 27, 2001·5 cites·6 claims
- 1429USRE36878EMulti-colored material using rainbow gratingCROWN ROLL LEAF INC·Filed 1994·Granted Sep 19, 2000·3 cites·39 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →