Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165474 | "Anti-rotation device for cementing plugs with deformable peripheral ""fins"" o ""lips""" | Gilbert Lavaure | 1992-11-24 |
| 4705459 | Method of observing the pumping characteristics of a positive displacement pump | Paul Dancer | 1987-11-10 |