Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467833 | Emergency call return systems and methods | Jonathan J. Sieg | 2016-10-11 |
| 8489066 | Systems and methods for identifying caller locations | Philip C. Imming | 2013-07-16 |
| 8270939 | Systems and methods for identifying caller locations | Philip C. Imming | 2012-09-18 |
| 6718219 | Production control system and method for assigning fabrication facility production demand | Piao-Chao Tsao, Chii-Ming Wu | 2004-04-06 |
| D418533 | Safety glasses | A. Glen Herald, Jr. | 2000-01-04 |
| 5657106 | Safety goggle assembly including corrective lenses | A. Glen Herald, Jr. | 1997-08-12 |
| D372490 | Safety glasses and prescription lens insert combination | Keith W. Sheffield | 1996-08-06 |
| 5493348 | Means for mounting a prescription lens accessory onto a pair of glasses | A. Glen Herald, Jr. | 1996-02-20 |