Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053416 | Automatic hydronic zone valve and electric controls therefor | Joseph Contardi | 2000-04-25 |
| 5661697 | Method and apparatus for detection of sand formations in amplitude-versus-offset seismic surveys | Herbert W. Swan, Kenneth O. McDowell | 1997-08-26 |