1987-05-08
1989-05-30
Sikes, William L.
350 9610, 350 9624, 350265, G02B 702, G02B 600
Patent
active
048344958
ABSTRACT:
A prism light guide luminaire of flexible materials which may be collapsed into a flat state for shipping but easily expanded into a tube for use.
REFERENCES:
patent: 3196738 (1965-07-01), Hicks, Jr.
patent: 3740112 (1973-06-01), Lundgren
patent: 4120565 (1978-10-01), Rabl
patent: 4154219 (1979-05-01), Gupta et al.
patent: 4260220 (1981-04-01), Whitehead
patent: 4615579 (1986-10-01), Whitehead
Greaves Malcolm W.
Scott Jonathan E.
Whitehead Lorne A.
Buckingham Stephen W.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Sikes William L.
Ullah Akm E.
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