Inventor · disambiguated record
Harry G. Heller
Also filed as: HELLER HARRY G · HELLER HARRY GEORGE
8 granted patents·874 citations·filing 1986–1996
91Inventor score
Top patents by PatentIndex Score
8 records- 0197US4826977APhotochromic spiropyran compoundsPLESSEY CO PLC·Filed 1987·Granted May 2, 1989·253 cites·11 claims
- 0296US4931221APhotochromic spiropyran compoundsPPG INDUSTRIES INC·Filed 1988·Granted Jun 5, 1990·103 cites·32 claims
- 0395US4818096APhotoreactive lenses with adamantane spiro compoundsPLESSEY CO PLC·Filed 1987·Granted Apr 4, 1989·259 cites·12 claims
- 0494US4980089APhotochromic spiropyran compoundsPPG INDUSTRIES INC·Filed 1989·Granted Dec 25, 1990·61 cites·30 claims
- 0590US5200116APhotochromic chromene compoundsPPG INDUSTRIES INC·Filed 1990·Granted Apr 6, 1993·112 cites·25 claims
- 0684US5955520APhotochromic indeno-fused naphthopyransPPG INDUSTRIES INC·Filed 1996·Granted Sep 21, 1999·72 cites·25 claims
- 0767US4737449APhotochromic 3-pyrryl fulgides and fulgimidesPLESSEY CO PLC·Filed 1986·Granted Apr 12, 1988·8 cites·11 claims
- 0837US5916943AMethod of marking an articleBICC PLC·Filed 1996·Granted Jun 29, 1999·6 cites·21 claims
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