Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227597 | Rapid heating, uniform, highly efficient griddle | David M. Dickens, James M. Taylor, Fern Mandelbaum | 1993-07-13 |
| 5195013 | PTC conductive polymer compositions | Stephen M. Jacobs, Mary S. McTavish | 1993-03-16 |
| 5140297 | PTC conductive polymer compositions | Stephen M. Jacobs, Mary S. McTavish | 1992-08-18 |
| 5133710 | Thermal seed for treatment of tumors | Philip Scot Carter | 1992-07-28 |
| 5134265 | Rapid heating, uniform, highly efficient griddle | David M. Dickens, James M. Taylor, Fern Mandelbaum | 1992-07-28 |
| 4955267 | Method of making a PTC conductive polymer electrical device | Stephen M. Jacobs, Mary S. McTavish | 1990-09-11 |
| 4951382 | Method of making a PTC conductive polymer electrical device | Stephen M. Jacobs, Mary S. McTavish | 1990-08-28 |
| 4951384 | Method of making a PTC conductive polymer electrical device | Stephen M. Jacobs, Mary S. McTavish | 1990-08-28 |
| 4845838 | Method of making a PTC conductive polymer electrical device | Stephen M. Jacobs, Mary S. McTavish | 1989-07-11 |
| 4789767 | Autoregulating multi contact induction heater | — | 1988-12-06 |
| 4722860 | Carbon film coated refractory fiber cloth | Donald Z. Rogers, Steven F. Rickborn, Sheldon L. Matlow | 1988-02-02 |
| 4550301 | PTC Circuit protection device | Mary S. McTavish, Robert W. Stodieck | 1985-10-29 |
| 4549161 | PTC Circuit protection device | Mary S. McTavish, Robert W. Stodieck | 1985-10-22 |
| 4542365 | PTC Circuit protection device | Mary S. McTavish, Robert W. Stodieck | 1985-09-17 |
| 4541063 | Method and apparatus for updating event information | — | 1985-09-10 |
| 4481498 | PTC Circuit protection device | Mary S. McTavish, Robert W. Stodieck | 1984-11-06 |
| 4475138 | Circuit protection devices comprising PTC element | Lee M. Middleman | 1984-10-02 |
| 4450496 | Protection of certain electrical systems by use of PTC device | Lee M. Middleman | 1984-05-22 |
| 4413301 | Circuit protection devices comprising PTC element | Lee M. Middleman | 1983-11-01 |
| 4349883 | Signal detector circuit with gain control method | — | 1982-09-14 |
| 4228513 | Monitor system and method for detecting sequential events in a cyclical process | — | 1980-10-14 |