Birk; Christian Steffen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Birk; Christian Steffen.The latest application filed is for "analog multiplexer".
- Birk; Christian Steffen - Bandon N/A IE
- Birk; Christian Steffen - Innishannon IE
| Patent | Date |
|---|---|
| Analog multiplexer Grant 10,200,041 - Gorbold , et al. Fe | 2019-02-05 |
| Analog Multiplexer App 20180123591 - Gorbold; Jeremy R. ; et al. | 2018-05-03 |
| Capacitance measurement Grant 9,939,476 - Birk , et al. April 10, 2 | 2018-04-10 |
| Capacitance Measurement App 20170089966 - Birk; Christian Steffen ; et al. | 2017-03-30 |
| Four-quadrant bootstrapped switch circuit Grant 8,604,862 - Birk , et al. December 10, 2 | 2013-12-10 |
| Four-quadrant Bootstrapped Switch Circuit App 20130009623 - BIRK; Christian Steffen ; et al. | 2013-01-10 |
| Bootstrapped switch circuit Grant 8,222,948 - Birk July 17, 2 | 2012-07-17 |
| Bootstrapped Switch Circuit App 20110204956 - BIRK; Christian Steffen | 2011-08-25 |
| Bootstrapped switch circuit Grant 7,952,419 - Birk May 31, 2 | 2011-05-31 |
| Bootstrapped Switch Circuit App 20110115544 - BIRK; Christian Steffen | 2011-05-19 |
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