Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360554 | Integrated gas meter bar device and locking shut-off valve | — | 2008-04-22 |
| 7244469 | Method of zinc plating and powder coating residential gas meter set assemblies | — | 2007-07-17 |
| 7152621 | Integrated gas meters bar device and locking shut-off valve | — | 2006-12-26 |
| 5689938 | Method of fabricating and installing gas service line completion kit | Robert W. Lyall, Jeffrey W. Lyall | 1997-11-25 |
| 5501331 | Gas service line completion kit and method of fabrication and installation | Robert W. Lyall, Jeffrey W. Lyall | 1996-03-26 |
| 5367756 | Gas meter riser transition field completion tool | — | 1994-11-29 |