Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12280572 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2025-04-22 |
| 12240163 | Stand alone thermoforming separator film | Ray F. Stewart | 2025-03-04 |
| 12226981 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2025-02-18 |
| 11999141 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2024-06-04 |
| 11724435 | Stand alone thermoforming separator film | Ray F. Stewart | 2023-08-15 |
| 11541643 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2023-01-03 |
| 11325358 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2022-05-10 |
| 10987907 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2021-04-27 |
| 10946630 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2021-03-16 |
| 10870263 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2020-12-22 |
| 10549511 | Dual shell dental appliance and material constructions | Ray F. Stewart | 2020-02-04 |
| 9401506 | Surface treated silicon containing active materials for electrochemical cells | Klaus J. Dahl, Sarah Lynn Goertzen, Marie Kerlau | 2016-07-26 |
| 9276261 | Surface treated silicon containing active materials for electrochemical cells | Klaus J. Dahl, Sarah Lynn Goertzen, Marie Kerlau | 2016-03-01 |
| 8753594 | Sorbent for lithium extraction | John L. Burba, III, Ray F. Stewart, Brian E. Viani, Stephen Harrison, Christine E. Vogdes | 2014-06-17 |
| 8716425 | Method of reducing stress relaxation in polymer articles and articles formed thereby | Ray F. Stewart | 2014-05-06 |
| 6546625 | Method of forming a contact member cable | Ai D. Le, Zhineng Fan, Matti A. Korhonen, John Williams | 2003-04-15 |
| 6306323 | Extrusion of polymers | Edward Chu, Susan M. Jordan | 2001-10-23 |
| 5985976 | Method of making a conductive polymer composition | Mark F. Wartenberg, James Toth | 1999-11-16 |
| 5747147 | Conductive polymer composition and device | Mark F. Wartenberg, James Toth | 1998-05-05 |
| 5101657 | Sensors for detecting and locating fluids | Ray F. Stewart, Robert Wasley, Paul D. Hauptly, Laurence Welsh | 1992-04-07 |
| 5015958 | Elongate sensors comprising conductive polymers, and methods and apparatus using such sensors | Michael Masia, James P. Reed, Robert Wasley, Paul D. Hauptly, Larry Reeder +7 more | 1991-05-14 |
| 4926165 | Devices for detecting and obtaining information about an event | Ray F. Stewart, Robert Wasley, Paul D. Hauptly, Laurence Welsh | 1990-05-15 |