U.S. patent number D444,236 [Application Number D/130,962] was granted by the patent office on 2001-06-26 for perimeter. This patent grant is currently assigned to Oculus Optikgeraete GmbH. Invention is credited to Ralf Bartl, Gert Koest, Norbert Koop.
United States Patent | D444,236 |
Koop , et al. | June 26, 2001 |
Inventors: | Koop; Norbert (Hamburg, DE), Koest; Gert (Hannover, DE), Bartl; Ralf (Huettenberg, DE) |
---|---|
Assignee: | Oculus Optikgeraete GmbH
(Wetzlar-Dutenhofen, DE) |
Appl. No.: | D/130,962 |
Filed: | October 12, 2000 |
Current U.S. Class: | D24/172 |
Current International Class: | 2401 |
Field of Search: | ;D24/172 ;351/224,225,226,211,205,206 |
3414348 | December 1968 | Gambs |
4045130 | August 1977 | Krahn |
4255022 | March 1981 | Kuether et al. |
4260227 | April 1981 | Munnerlyn et al. |
4804262 | February 1989 | Katsuhiko et al. |
5838424 | November 1998 | Wawro et al. |
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