Drabert; Fritz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drabert; Fritz.The latest application filed is for "chair, particularly a data display chair".
- Drabert; Fritz - Minden DE
- Drabert; Fritz - D-4950 Minden DE
- Drabert; Fritz - D-495 Minden DE
- Drabert; Fritz - 495 Minden DT
- Drabert; Fritz - Minden/Westphalia DT
| Patent | Date |
|---|---|
| Chair, particularly a data display chair Grant 4,411,469 - Drabert , et al. October 25, 1 | 1983-10-25 |
| Backrest for chairs Grant 4,406,496 - Drabert , et al. September 27, 1 | 1983-09-27 |
| Upholstered chair Grant D270,020 - Drabert August 9, 1 | 1983-08-09 |
| Adjustable chair backrest mechanism using pneumatic and mechanical springs Grant 4,362,335 - Drabert , et al. December 7, 1 | 1982-12-07 |
| Chair having synchronously coupled tiltable seat and back rest Grant 4,143,910 - Geffers , et al. March 13, 1 | 1979-03-13 |
| Chair with adjustable backrest Grant 3,938,858 - Drabert , et al. February 17, 1 | 1976-02-17 |
| Castors For Chairs And Other Articles Of Furniture Grant 3,691,590 - Drabert September 19, 1 | 1972-09-19 |
| Adjustable Foot Rests Grant 3,653,715 - Drabert , et al. April 4, 1 | 1972-04-04 |
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