Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11221233 | Utility cover for use with automated metering equipment | — | 2022-01-11 |
| 10647483 | Utility cover identification system | Fred Matthew Schweinberg, Steve A. Castle, Mike E. Fisher, Mark E. Mikes, Wiley R. Tipton | 2020-05-12 |
| 9296527 | Utility cover identification system | Fred Matthew Schweinberg, Steve A. Castle, Mike E. Fisher, Mark E. Mikes, Wiley R. Tipton | 2016-03-29 |
| 4837053 | Diffusion barrier for high temperature composites | Wei-Hua Kao, Howard A. Katzman | 1989-06-06 |