Polygonal lens

Details Polygonal lens Polygonal lens

1975-12-22

1977-07-12

Rolinec, Rudolph V.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

2401061, 350211, H01J 516

Patent

active

040356817

ABSTRACT:
A lens cap, for use with a light emitting diode, comprises:

REFERENCES:
patent: 3344268 (1967-09-01), Fouke
patent: 3805347 (1974-04-01), Collins et al.
patent: 3873979 (1975-03-01), Craford et al.

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