Patent information:
Patent: | Utility 2,857,505 |
Patented: | October 21, 1958 |
Applied: | April 19, 1955 |
Title: | Method of welding TV tube studs |
Description: | Stud Welding Apparatus |
Category: | OI |
Assigned to: | Owens-Illinois Glass Co. |
Patentee Information:
Class and subclass information:
Class: | 219 | ELECTRIC HEATING |
Subclass: | 98 | |
Known specimens:
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Drawings:
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