Inventor · disambiguated record
Richard L. Shields
Also filed as: SHIELDS RICHARD L · SHIELDS RICHARD LYNN
7 granted patents·2 pending applications·275 citations·filing 1990–2013
86Inventor score
Top patents by PatentIndex Score
9 records- 0195US6413305B1Thermochromic ink compositionSTANDARD REGISTER CO·Filed 2000·Granted Jul 2, 2002·197 cites·16 claims
- 0283US5944881ATri-component security numbering inkSTANDARD REGISTER CO·Filed 1997·Granted Aug 31, 1999·49 cites·15 claims
- 0361US6416911B1Image bonding treatment of retroreflective surfacesSTANDARD REGISTER CO·Filed 2001·Granted Jul 9, 2002·7 cites·11 claims
- 0459US6376135B2Image bonding treatment for retroreflective surfacesSTANDARD REGISTER CO·Filed 1999·Granted Apr 23, 2002·15 cites·15 claims
- 0557US9790390B2Thermochromic ink and document printed therewithMEHTA RAJENDRA·Filed 2010·Granted Oct 17, 2017·0 cites·41 claims
- 0653US2013255536A1Thermochromic ink and document printed therewithSTANDARD REGISTER CO·Filed 2013·Application pending·0 cites
- 0740US2002170461A1Thermochromic ink compositionFiled 2002·Application pending·0 cites
- 0833US6031020ACancellation of micr-readable documents by application of an ink containing magnetic particlesSTANDARD REGISTER CO·Filed 1998·Granted Feb 29, 2000·4 cites·16 claims
- 0933US5204184AMicroencapsulation using tertiary aliphatic isocyanate capsule wall materialSTANDARD REGISTER CO·Filed 1990·Granted Apr 20, 1993·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →