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Metal vapor lamp
US 2,182,732 A
Filed
: 12/19/1927
Issued
: 12/05/1939
Est. Priority Date
: 12/10/1926
Status: Expired due to Term
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20
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20 Citations
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Current Assignee
Edmund Germer
,
Friedrich Meyer
,
Hans-Joachim Spanner
Original Assignee
Edmund Germer
,
Friedrich Meyer
,
Hans-Joachim Spanner
Inventors
FRIEDRICH MEYER
,
HANS-JOACHIM SPANNER
,
Germer, Edmund
Application Number
US02/241,034
Time in Patent Office
4,369 Days
Field of Search
US Class Current
313/490
CPC Class Codes
H01J 61/72
having a main light-emittin...
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