Schaumann; Rolf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schaumann; Rolf.The latest application filed is for "high-frequency active inductor".
- Schaumann; Rolf - Portland OR
- Schaumann; Rolf - Minnetonka MN
- Schaumann; Rolf - Wurenlos CH
- Schaumann; Rolf - Neuenhof CH
| Patent | Date |
|---|---|
| High-frequency active inductor Grant 7,042,317 - Xiao , et al. May 9, 2 | 2006-05-09 |
| High-frequency active inductor App 20050083151 - Xiao, Haiqiao ; et al. | 2005-04-21 |
| CMOS analog standard cell arrays using linear transconductance elements Grant 4,760,349 - Park , et al. July 26, 1 | 1988-07-26 |
| Integrable analog active filter and method of same Grant 4,257,006 - Schaumann March 17, 1 | 1981-03-17 |
| Open-cell Rigid Foam Plastic Grant 3,853,685 - Friedrich , et al. December 10, 1 | 1974-12-10 |
| Sequential Switching System With Current Limiting Shunt Path Grant 3,564,336 - Buergi , et al. February 16, 1 | 1971-02-16 |
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