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Diamond Electric Corporation

Diamond Electric Specialty Corporation, 102 South Orange Avenue, Newark, New Jersey, USA
d/b/a Diamond Electric Corporation, 780 Frelinghuysen Avenue, New York, New York, USA



First seen: 04-Apr-1928
Last seen: 31-Aug-1928

Brand(s): Diamond


Diamond Electric Corp. registers their trademark 14-Aug-1928. They claim use since 4-Apr-1928.

Diamond variants:

 
D
I
A
M
O
N
D
201-A
1
Tube
{v1} Globe, "-DIAMOND-", "X-201A" short bakelite base, tipless


  
Brand variant
 
 
 
 

{v1} "Diamond" "201A" with envelope label.


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[1]

Bibliography references:
  1. Popular Radio, Apr-1924, pg. 58. From
  2. The Evening-Sun, Hanover, PA, 10-Aug-1928, pg. 10. From Newspapers.com. Retrieved 30-Nov-2018. *
  3. The Official Gazette of US Patent Office, 14-Aug-1928, pg. 297. From Hathitrust.org. Retrieved 15-May-2019 *

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