Prill; Jonathan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Prill; Jonathan.The latest application filed is for "impact-driven downhole motors".
- Prill; Jonathan - Edmonton CA
| Patent | Date |
|---|---|
| Impact-driven downhole motors Grant 10,590,705 - Sheehan , et al. | 2020-03-17 |
| Impact-driven Downhole Motors App 20180119491 - SHEEHAN; Mark ; et al. | 2018-05-03 |
| Apparatus and method for adjusting spring preload in a downhole tool Grant 8,783,354 - Sheehan , et al. July 22, 2 | 2014-07-22 |
| Apparatus And Method For Adjusting Spring Preload In A Downhole Tool App 20120118641 - SHEEHAN; Mark ; et al. | 2012-05-17 |
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