Graf; Ralf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Graf; Ralf.The latest application filed is for "device for connecting a circuit breaker".
- Graf; Ralf - Mannheim DE
| Patent | Date |
|---|---|
| Device for connecting a circuit breaker Grant 9,633,756 - Graf April 25, 2 | 2017-04-25 |
| Diagnosis and maintenance device for a switchgear assembly and corresponding switchgear assembly Grant 8,994,543 - Merkel , et al. March 31, 2 | 2015-03-31 |
| Device For Connecting A Circuit Breaker App 20130240238 - GRAF; Ralf | 2013-09-19 |
| Diagnosis And Maintenance Device For A Switchgear Assembly And Corresponding Switchgear Assembly App 20120262300 - MERKEL; Hans-Peter ; et al. | 2012-10-18 |
| Device for measuring gas or air temperature in a casing box Grant 8,262,285 - Kratschmar , et al. September 11, 2 | 2012-09-11 |
| Device For Measuring Gas Or Air Temperature In A Casing Box App 20090097190 - Kratschmar; Rudiger ; et al. | 2009-04-16 |
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