Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6933718 | Quantification method and system for corrosion and damage assessment | Steven G. Keener | 2005-08-23 |
| 6285183 | Method and system for measuring the volume loss of a metal substrate | Steven G. Keener | 2001-09-04 |
| 4894858 | Portable through-door intercom | — | 1990-01-16 |