Patent information:
| Patent: | Utility 1,021,059 |
| Patented: | March 26, 1912 |
| Applied: | January 4, 1911 |
| Title: | Insulator |
| Description: | Knob |
| Category: | Knob |
| Assigned to: |
Patentee Information:
| MARKLEY, Willis R. | Findlay, OH |
Class and subclass information:
| Class: | 174 | ELECTRICITY: CONDUCTORS AND INSULATORS |
| Subclass: | 157 | INSULATORS; Divided insulator; Aligned through aperture; |
Known specimens:
| Number: |
Drawings:
Page 1 |