Hengst; Alfred
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hengst; Alfred.The latest application filed is for "binocular telescope".
- Hengst; Alfred - Lahnau DE
- Hengst; Alfred - Wetzlar-Dorlar DE
| Patent | Date |
|---|---|
| Binocular telescope Grant 8,325,415 - Hengst , et al. December 4, 2 | 2012-12-04 |
| Binocular Telescope App 20100188744 - Hengst; Alfred ; et al. | 2010-07-29 |
| Focusing device with diopter adjustment Grant 7,330,310 - Hengst , et al. February 12, 2 | 2008-02-12 |
| Method and device for focusing and diopter compensation of a telescope Grant 7,133,200 - Hengst , et al. November 7, 2 | 2006-11-07 |
| Play-free rotary mounting Grant 7,050,226 - Hengst , et al. May 23, 2 | 2006-05-23 |
| Focusing device with diopter adjustment App 20050259321 - Hengst, Alfred ; et al. | 2005-11-24 |
| Arrangement for rotatable adjustment of a cap on an eyepiece housing Grant 6,918,672 - July 19, 2 | 2005-07-19 |
| Method and device for focussing and diopter compensation of a telescope App 20040233522 - Hengst, Alfred ; et al. | 2004-11-25 |
| Arrangement for rotatable adjustment of a cap on an eyepiece housing App 20040196554 - Syre, Philipp ; et al. | 2004-10-07 |
| Arrangement for rotatable adjustment of a cap on an eyepiece housing Grant 6,779,899 - August 24, 2 | 2004-08-24 |
| Play-free rotary mounting App 20030137761 - Hengst, Alfred ; et al. | 2003-07-24 |
| Arrangement for rotatable adjustment of a cap on an eyepiece housing App 20030035217 - Syre, Philipp ; et al. | 2003-02-20 |
| Monocular telescope having a focusing unit whose mechanical sensitivity can be varied Grant 5,453,875 - Kolsch , et al. September 26, 1 | 1995-09-26 |
| Binocular telescope with coupled joint focusing and uncoupled separate focusing Grant 4,989,963 - Farnung , et al. February 5, 1 | 1991-02-05 |
| Binocular Grant D292,412 - Janke , et al. October 20, 1 | 1987-10-20 |
| Binocular Grant D287,369 - Janke , et al. December 23, 1 | 1986-12-23 |
| Binocular Grant D272,361 - Hengst , et al. January 24, 1 | 1984-01-24 |
| Binocular telescope with internal focusing Grant 4,329,013 - Hengst May 11, 1 | 1982-05-11 |
| Binoculars with double hinge bridge and resilient biasing Grant 4,087,153 - Hengst May 2, 1 | 1978-05-02 |
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