Caldwell; William M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Caldwell; William M..The latest application filed is for "apparatus and method for isolating and securing an underwater oil wellhead and blowout preventer".
- Caldwell; William M. - Ocean Springs MS
- Caldwell; William M. - Newtownards GB5
| Patent | Date |
|---|---|
| Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventer Grant 8,887,812 - Caldwell , et al. November 18, 2 | 2014-11-18 |
| Apparatus And Method For Isolating And Securing An Underwater Oil Wellhead And Blowout Preventer App 20120160509 - Caldwell; William M. ; et al. | 2012-06-28 |
| Smoking materials Grant 4,286,604 - Ehretsmann , et al. September 1, 1 | 1981-09-01 |
| SEC | 0001317099 | Caldwell William M |
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