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Method and means for testing welding equipment
US 3,389,239 A
Filed
: 02/11/1964
Issued
: 06/18/1968
Est. Priority Date
: 02/11/1964
Status: Expired due to Term
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Current Assignee
Frederick J. Trulson
,
Robert B. Allured
,
Thomas J. Treppa
Original Assignee
Frederick J. Trulson
,
Robert B. Allured
,
Thomas J. Treppa
Inventors
Treppa, Thomas J.
,
Trulson, Frederick J.
,
Allured, Robert B.
Application Number
US04/344,135
Time in Patent Office
1,589 Days
Field of Search
US Class Current
219/110
CPC Class Codes
G01N 27/20
Investigating the presence ...
G01R 15/00
Details of measuring arrang...
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