RS

Richard L. Shields

SR Standard Register: 7 patents #13 of 150Top 9%
Overall (All Time): #733,328 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9790390 Thermochromic ink and document printed therewith Rajendra Mehta 2017-10-17
6416911 Image bonding treatment of retroreflective surfaces Rajendra Mehta, A. Dale Lakes 2002-07-09
6413305 Thermochromic ink composition Rajendra Mehta, Aurelia Gloria W. Kalman 2002-07-02
6376135 Image bonding treatment for retroreflective surfaces Rajendra Mehta, A. Dale Lakes 2002-04-23
6031020 Cancellation of micr-readable documents by application of an ink containing magnetic particles Rajendra Mehta, Harry Allen Seifert 2000-02-29
5944881 Tri-component security numbering ink Rajendra Mehta, Gary Doll 1999-08-31
5204184 Microencapsulation using tertiary aliphatic isocyanate capsule wall material Michael Seitz 1993-04-20