Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7745380 | Additive for increasing the density of a fluid for casing annulus pressure control | Andrew Bradbury, Christopher Alan Sawdon, Sonny Clary, William Matthew Reid | 2010-06-29 |
| 7727939 | Composition of base fluid and polymeric dispersing agent-absorbed polymer-coated colloidal particles | Andrew Bradbury, Christopher Alan Sawdon, Sonny Clary, William Matthew Reid | 2010-06-01 |
| 7589049 | Additive for increasing the density of a fluid for casing annulus pressure | Andrew Bradbury, Christopher Alan Sawdon, Sonny Clary, William Matthew Reid | 2009-09-15 |
| 7449431 | Additive for increasing the density of a fluid for casing annulus pressure control | Andrew Bradbury, Christopher Alan Sawdon, Sonny Clary, William Matthew Reid | 2008-11-11 |
| 6517502 | Orthotic device an methods for limiting expansion of a patient's chest | Arnold M. Heyman | 2003-02-11 |