Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306224 | Electricity meter | Andrew Dames, Joseph Adam | 2025-05-20 |
| 11027662 | Support rack | Ron Morrison | 2021-06-08 |
| 8617776 | Secure document printing method and system | John F. Crichton, Raymond Rossborough, Timothy G. Armstrong, Matthias H. Regelsberger | 2013-12-31 |
| 8361689 | Negative charge control agents and their preparation | Robert A. Guistina, Dinesh Tyagi | 2013-01-29 |
| 8329783 | Toner porous particles containing hydrocolloids | Mridula Nair, Xiqiang Yang, Tamara K. Jones | 2012-12-11 |
| 8192909 | Chemically prepared porous toner | Xin Jin, Charles T. Havens | 2012-06-05 |
| 8101326 | Secure document printing method and system | John F. Crichton, Raymond Rossborough, Timothy G. Armstrong, Matthias H. Regelsberger | 2012-01-24 |
| 7887984 | Toner porous particles containing hydrocolloids | Mridula Nair, Xiqiang Yang, Tamara K. Jones | 2011-02-15 |
| 7541130 | Sulfone charge control agents for electrostatographic toners | Robert A. Guistina, Dinesh Tyagi | 2009-06-02 |
| 7501218 | Electrostatographic toner containing organometallic dimethyl sulfoxide complex charge control agent | Robert A. Guistina, Dinesh Tyagi | 2009-03-10 |
| D393614 | Tire tread | — | 1998-04-21 |
| D389104 | Tire tread | — | 1998-01-13 |
| D380709 | Tire tread | — | 1997-07-08 |
| D379952 | Tire tread | — | 1997-06-17 |