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Composite wave guide
US 2,797,393 A
Filed
: 04/22/1952
Issued
: 06/25/1957
Est. Priority Date
: 03/07/1951
Status: Expired due to Term
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Current Assignee
Albert M. Clogston
Original Assignee
Albert M. Clogston
Inventors
Clogston, Albert M.
Application Number
US03/283,548
Time in Patent Office
1,890 Days
Field of Search
US Class Current
333/239
CPC Class Codes
B01J 39/02
Processes using inorganic e...
B21C 37/15
Making tubes of special sha...
C03C 21/00
Treatment of glass, not in ...
C03C 21/001
in liquid phase, e.g. molte...
C03C 25/475
containing colouring agents
C03C 25/601
in the liquid phase, e.g. u...
C03C 25/68
by etching
D06P 1/0076
Dyeing with mineral dye
H01B 3/08
quartz; glass; glass wool; ...
H01B 7/30
with arrangements for reduc...
H01J 9/06
Machines therefor
H01P 3/18
built-up from several layer...
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