1982-09-30
1984-12-18
Corbin, John K.
350252, G02B 702
Patent
active
044887760
ABSTRACT:
An improved lens cell is provided wherein a pair of identical housing elements cooperate with an aperture member that has a surface configuration to both space and center lens elements that are retained within the housing elements.
REFERENCES:
patent: 3402003 (1968-09-01), McFarland
patent: 3828991 (1974-08-01), Moore
patent: 4258982 (1981-03-01), Skinner et al.
Corbin John K.
Kent Lynn Vandenburgh
M.U. Engineering & Manufacturing Inc.
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