Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12024685 | High pressure ethane cracking with small diameter furnace tubes | George Stephens, David B. Spicer, Gregory E. Yeo | 2024-07-02 |
| 8373394 | System and method for power factor correction | Henry N. Huta, Robert E. Morgan | 2013-02-12 |
| 8134346 | System and method for power factor correction | Henry N. Huta, Robert E. Morgan | 2012-03-13 |
| D542143 | Container | Susan Logcher, Ivan Da Barp | 2007-05-08 |
| 5881196 | Waveguide security device | — | 1999-03-09 |
| 5202677 | Display apparatus using thermochromic material | Robert Parker | 1993-04-13 |
| 5031205 | Auto response phone system | — | 1991-07-09 |
| 4897541 | Sensors for detecting electromagnetic parameters utilizing resonating elements | — | 1990-01-30 |
| D291350 | Portable electric heater | Wilfred M. Sherman, Vernon M. Ellis | 1987-08-11 |
| 4678905 | Optical sensors for detecting physical parameters utilizing vibrating piezoelectric elements | — | 1987-07-07 |
| 4621929 | Fiber optic thermal anemometer | — | 1986-11-11 |
| 4281938 | Automatic print wheel element changing mechanism for a serial printer | — | 1981-08-04 |