Geyer; Manvel A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Geyer; Manvel A..The latest application filed is for "elevator system".
- Geyer; Manvel A. - Severna Park MD
- Geyer; Manvel A. - Lima OH
| Patent | Date |
|---|---|
| Elevator system Grant 4,046,229 - Kernick , et al. September 6, 1 | 1977-09-06 |
| Electrical System With Programmed Computer Control And Manually Initiated Control Means Grant 3,842,249 - Geyer , et al. October 15, 1 | 1974-10-15 |
| Technique For Use Of Controlled Current Feedback Transformers In Power Inverter Apparatus Grant 3,715,648 - Kernick , et al. February 6, 1 | 1973-02-06 |
| Apparatus For Producing A Low-distortion Pulse Width Modulated Inverter Output Grant 3,648,150 - Kernick , et al. March 7, 1 | 1972-03-07 |
| Anticipatory Feedback Control For Inverters Grant 3,636,430 - Kernick , et al. January 18, 1 | 1972-01-18 |
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