U.S. patent number D319,450 [Application Number 07/583,714] was granted by the patent office on 1991-08-27 for multiple function image switching attachment for a telescope or similar article. Invention is credited to Jeffrey R. Charles.
United States Patent | D319,450 |
Charles | August 27, 1991 |
Inventors: | Charles; Jeffrey R. (Sun City, AZ) |
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Appl. No.: | 07/583,714 |
Filed: | September 17, 1990 |
Application Number | Filing Date | Patent Number | Issue Date | ||
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155003 | Feb 10, 1988 | Des. 310676 | Sep 18, 1990 | ||
Current U.S. Class: | D16/136; D16/132 |
Field of Search: | ;D16/132,134,130,136,207,208,210,137 ;350/557,502,574,563 ;354/79 |
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Sky and Telescope magazine, Feb. 1983, bottom of p. 106, Questar telescope and diagonal. . Clave, Beamsplitter. . 1981 Celestron Catalog, center of p. 43, Off-Axis Guider Body. . 1968 Leica Catalog No. 41, p. 11, Visoflex III Reflex Housing. . 1976 Questar Instruction Book II, p. 10, Quick-Change Filter Holder. . 1976 Questar Instruction Book II, p. 12, Off-Axis Tracker. . Sky and Telescope magazine, Oct. 1985, back cover, diagonal mirror attachment on Celestrom Telescope. . Photonics Spectra magazine, Aug. 1988, center of p. 29, EG&G Reticon, flip mirror attachment.. |
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