Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141197 | Grip element | Roger F. Lockshier, Arthur R. Hamilton, Phillip A. Johnson | 2006-11-28 |
| 6652941 | Grip element and method of manufacture thereof | Roger F. Lockshier, Arthur R. Hamilton, Phillip A. Johnson | 2003-11-25 |
| D456847 | Writing instrument cap | Andrew M. Candelora, Michael Kent, Roger F. Lockshier, Charles N. McCaffrey | 2002-05-07 |
| D452878 | Writing instrument | Andrew M. Candelora, Michael Kent, Roger F. Lockshier, Charles N. McCaffrey | 2002-01-08 |
| 6149981 | Lubricating shaving aid | Aiying Wang, Kathryn Bradanini | 2000-11-21 |
| 6028126 | Ink follower compositions | Aiying Wang, Jeffrey H. Banning | 2000-02-22 |
| D416941 | Writing instrument | Jean Francois Chevalier, Marc Lovejoy | 1999-11-23 |
| 5970581 | Controllable fluid gripping devices | Michael T. Nowak | 1999-10-26 |
| 5956849 | Lubricating shaving aid | Aiying Wang, Kathryn Bradanini | 1999-09-28 |
| D414205 | Cap for a writing instrument | Jean Francois Chevalier, Marc Lovejoy | 1999-09-21 |
| 5924810 | Double seal system for pressurized writing device | Ronald S. Rukan | 1999-07-20 |
| 5906446 | Fillerless writing instrument | Russell McCulloch, Frank Hart, Ronald S. Rukan | 1999-05-25 |
| D409658 | Writing instrument | Jean Francois Chevalier, Marc Lovejoy | 1999-05-11 |
| 5900445 | Erasable ink composition containing a polymer dye obtained from ethylenic monomers and marking instrument containing same | Wayne A. Chandler, David C. Villiger, Aiying Wang, Jeffery H. Banning | 1999-05-04 |
| D407436 | Writing instrument | Jean Francois Chevalier, Marc Lovejoy | 1999-03-30 |
| 5874488 | Ink follower compositions | Aiying Wang, Jeffrey H. Banning | 1999-02-23 |
| 5873669 | Wiper insert | Scott Poore, Kevin L. Wilson | 1999-02-23 |
| 5852072 | Erasable ink composition containing a waterborne polyurethane urea | Jeffery H. Banning, Wayne A. Chandler, David C. Villiger, Aiying Wang | 1998-12-22 |
| 5852073 | Erasable ink composition containing a polymer-encapsulated colorant obtained by polymerizing monomer in the presence of solid colorant particles | David C. Villiger, Aiying Wang, Jeffery H. Banning, Wayne A. Chandler | 1998-12-22 |
| 5769931 | Ink composition | Aiying Wang | 1998-06-23 |
| 5756561 | Erasable ink composition containing a graft-polymerized dye | Aiying Wang, Jeffery H. Banning, Wayne A. Chandler, David C. Villiger | 1998-05-26 |
| 5661197 | Erasable ink composition containing a polymer-encapsulated colorant derived from monomer containing dissolved colorant | David C. Villiger, Aiying Wang, Jeffery H. Banning, Wayne A. Chandler | 1997-08-26 |
| 5637638 | Erasable ink composition containing a waterborne polyurethane-urea derived from an aromatic amine dye monomer and marking instrument containing same | Wayne A. Chandler, David C. Villiger, Jeffery H. Banning, Aiying Wang | 1997-06-10 |
| 5415487 | Vented plug for ink cartridges | Ronald S. Rukan | 1995-05-16 |