Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8110615 | Correction fluids | Jiandong Zhu, Richard J. Kaiser, George Korper | 2012-02-07 |
| 7681616 | Correction tape applicator tip with cylindrical projection | Bret R. Marschand, Frank Peterson | 2010-03-23 |
| 7290955 | Bold-fine multiple width marking instrument | Amar Patel, Jeffrey Hautzinger, Marc William Colavitti, Bret R. Marschand, Jason Cantu | 2007-11-06 |
| 7264141 | Fluid dispenser with passive pressurization | Amar Patel | 2007-09-04 |
| 7163040 | Correction tape applicator tip with cylindrical projection | Bret R. Marschand, Frank Peterson | 2007-01-16 |
| 6064376 | Adjustable program guide display system | David M. Berezowski, Charles Kevin Crane | 2000-05-16 |
| 4916752 | Helical visual display device | — | 1990-04-17 |