Holdsworth; Duncan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holdsworth; Duncan.The latest application filed is for "process for acidizing".
- Holdsworth; Duncan - Guildford GB
| Patent | Date |
|---|---|
| Process for acidizing Grant 10,604,696 - Harris , et al. | 2020-03-31 |
| Process for treating an underground formation Grant 9,982,183 - Holdsworth May 29, 2 | 2018-05-29 |
| Process for Acidizing App 20160333256 - Harris; Ralph Edmund ; et al. | 2016-11-17 |
| Process for Treating an Underground Formation App 20140303049 - Holdsworth; Duncan | 2014-10-09 |
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