Richman; Lance T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Richman; Lance T..The latest application filed is for "cutting element having enhanced cutting geometry".
- Richman; Lance T. - Ponca City OK
| Patent | Date |
|---|---|
| Cutting element having enhanced cutting geometry Grant 7,540,340 - Richman June 2, 2 | 2009-06-02 |
| Shaped inserts with increased retention force Grant 7,416,035 - Viswanadham , et al. August 26, 2 | 2008-08-26 |
| Bearing and lubrication system for earth boring bit Grant 7,237,627 - Richman , et al. July 3, 2 | 2007-07-03 |
| Cutting element having enhanced cutting geometry App 20060237235 - Richman; Lance T. | 2006-10-26 |
| Cutting element having enhanced cutting geometry Grant 7,086,488 - Richman August 8, 2 | 2006-08-08 |
| Bearing and lubrication system for earth boring bit App 20050077087 - Richman, Lance T. ; et al. | 2005-04-14 |
| Shaped inserts with increased retention force App 20050067196 - Viswanadham, Ramamurthy ; et al. | 2005-03-31 |
| Cutting element having enhanced cutting geometry App 20040084223 - Richman, Lance T. | 2004-05-06 |
| Rock drill bit with neck protection Grant 6,446,739 - Richman , et al. September 10, 2 | 2002-09-10 |
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