Title:
HIGH TEMPERATURE LENS CONSTRUCTION
United States Patent 3493291
US Patent References:
/0531994.html
- - 0531994
/0586256.html
- - 0586256
/0591466.html
- - 0591466
Optical glass domes
- - 2880650
Three dimensional viewing apparatus
- - 3187339
/0531994.html
- - 0531994
/0586256.html
- - 0586256
/0591466.html
- - 0591466
Optical glass domes
- - 2880650
Three dimensional viewing apparatus
- - 3187339
Inventors:
Webb, James E.
Publication Date:
02/03/1970
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Export Citation:
Assignee:
Webb, James E.
Primary Class:
Other Classes:
65/38, 359/820, 65/37, 126/700, 126/698
International Classes:
F24J2/08; F24J2/10; G02B3/00; F24J2/06; G02B3/00; G02B7/02