Grandstaff; Michael D
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grandstaff; Michael D.The latest application filed is for "controller and method for monitoring trailer brake applications".
- Grandstaff; Michael D - Medina OH
- Grandstaff; Michael D. - Medina OH
| Patent | Date |
|---|---|
| Controller and method for monitoring trailer brake applications Grant 9,821,779 - Grandstaff , et al. November 21, 2 | 2017-11-21 |
| Controller and Method for Monitoring Trailer Brake Applications App 20170137003 - Grandstaff; Michael D. ; et al. | 2017-05-18 |
| School bus door/service brake interlock system Grant 6,758,298 - Eberling , et al. July 6, 2 | 2004-07-06 |
| School bus door/service brake interlock retrofit system App 20020189882 - Eberling, Charles E. ; et al. | 2002-12-19 |
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