Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8632699 | Fugitive viscosity and stability modifiers for carbon nanotube compositions | Paul Glatkowski, Joseph W. Piche, C. Michael Trottier, David J. Arthur, Jiazhong Luo | 2014-01-21 |
| 4954002 | Writing instrument with membrane vent and their manufacture | Robert E. Burkhalter, Thomas D. Hall | 1990-09-04 |
| 4868023 | Polyolefin article having permanent indicia thereon | David Ryan, Lawrence D. Schwartz, Kenneth M. Winterstein | 1989-09-19 |
| 4726845 | Hybrid marking instrument and writing ink composition | John W. Thompson | 1988-02-23 |