Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612188 | Self-powered fluid meter | — | 2003-09-02 |
| 6604434 | Method and apparatus for determining the direction and rate of a rotating element | Walter T. Castleberry, John R. Scarborough, III | 2003-08-12 |