Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7841128 | Fishing float | Michael Zimmer | 2010-11-30 |
| 5925221 | Papermaking fabric | Ian Christison Sayers | 1999-07-20 |
| 5419017 | Belt seaming | Ian Christison Sayers | 1995-05-30 |
| 5259456 | Drill stem test tools | Jeffrey Charles Edwards, Ray Johns | 1993-11-09 |
| 5222559 | Valves | Jeffrey Charles Edwards, Ray Johns | 1993-06-29 |
| 5193619 | Well control apparatus | Jeffrey Charles Edwards, Ray Johns | 1993-03-16 |
| 4533594 | Batt-on-mesh felt employing polyurethane-coated multifilaments in the cross-machine direction | — | 1985-08-06 |
| 4283454 | Papermakers wet felt with ribbed and smooth surface textures | — | 1981-08-11 |