| Patent information: 
  | Patent: | Utility 837,409 |  | Patented: | December 4, 1906 |  | Applied: | May 10, 1906 |  | Title: | Machine for Making Glass Insulators |  | Description: | Insulator press |  | Category: | Press |  | Assigned to: |  |  Patentee Information: Class and subclass information: 
  | Class: | 65 | GLASS MANUFACTURING |  | Subclass: | 310 | PRESS MOLDING MACHINE;  Plunger coacting with successively presented molds;  Relative rotation between plunger and orbiting mold;  Independent dies actuated by common plunger; |  Known specimens: | Drawings: 
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