Johnson; Matthew Q.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Matthew Q..The latest application filed is for "high carbon welding electrode and method of welding with high carbon welding electrode".
- Johnson; Matthew Q. - Santa Fe NM
- Johnson; Matthew Q. - Powell OH
| Patent | Date |
|---|---|
| Method of repairing a rail Grant 7,520,415 - Kral , et al. April 21, 2 | 2009-04-21 |
| High Carbon Welding Electrode and Method of Welding with High Carbon Welding Electrode App 20070251934 - Kral; Richard F. ; et al. | 2007-11-01 |
| Method of repairing a rail App 20070007251 - Kral; Richard F. ; et al. | 2007-01-11 |
| Penetration flux Grant 6,707,005 - Johnson , et al. March 16, 2 | 2004-03-16 |
| Penetration flux Grant 6,664,508 - Johnson , et al. December 16, 2 | 2003-12-16 |
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