Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9854341 | Microphone head device | — | 2017-12-26 |
| 8515318 | High conductive, soft urethane rollers | — | 2013-08-20 |
| 8380131 | Frequency selection system including a wireless microphone and a receiver | — | 2013-02-19 |
| 8222341 | Semi-conductive silicone polymers | — | 2012-07-17 |
| 6780364 | Process of making a roller | John A. Roderick | 2004-08-24 |
| 6511209 | Lighting fixture | — | 2003-01-28 |
| 6451438 | Copolymerization of reactive silicone and urethane precursors for use in conductive, soft urethane rollers | John A. Roderick | 2002-09-17 |
| 6417315 | Preparation of conductive polyurethanes using a conductive quasi-solution | John A. Roderick | 2002-07-09 |
| 6361484 | Electrically conductive and semi-conductive polymers | Wen-Pin Chen, John A. Roderick, Marcelino A. Martins, George B. Martins | 2002-03-26 |
| 6352771 | Conductive urethane roller | John A. Roderick | 2002-03-05 |
| 6260861 | Variable traction wheel for in-line roller skate | John A. Roderick, David R. Willis, Charles Sipes | 2001-07-17 |
| 6227622 | Multilayer skate wheel | John A. Roderick, James A. Vandergrift | 2001-05-08 |
| 6184331 | Preparation of conductive polyurethanes using a conductive quasi-solution | John A. Roderick | 2001-02-06 |
| 6111051 | Preparation of conductive polyurethanes using a conductive quasi-solution | John A. Roderick | 2000-08-29 |
| 6063499 | Electrically conductive and semi-conductive polymers | John A. Roderick, George B. Martins, Marcelino A. Martins, Wen-Pin Chen | 2000-05-16 |
| 5898057 | Preparation of conductive polyurethanes using a conductive quasi-solution | John A. Roderick | 1999-04-27 |
| 5829757 | Variable traction wheel for in-line roller skate | John A. Roderick, David R. Willis, Charles Sipes | 1998-11-03 |
| 5639847 | Preparation of conductive polyurethanes using a conductive quasi-solution | John A. Roderick | 1997-06-17 |
| 5414449 | Thermal transfer printing apparatus | Danilo P. Buan, Donald T. Dolan | 1995-05-09 |
| 4982202 | Thermal printing cartridge | Danilo P. Buan, Donald T. Dolan | 1991-01-01 |
| 4816344 | Preparation of fluorescent thermal transfer ribbon | — | 1989-03-28 |
| 4657697 | Preparation of fluorescent thermal transfer sheet by monomer polymerization method | — | 1987-04-14 |
| 4418183 | Method for the production of high concentrations of emulsion polymers | — | 1983-11-29 |
| 4401742 | Preparation of positive toners by acid treatment | — | 1983-08-30 |