Patent information:
| Patent: | Utility 113,393 |
| Patented: | April 4, 1871 |
| Applied: | |
| Title: | Improvement in the Mode of Making Telegraph Insulators |
| Description: | Press for making insulators leaving plunger in insulator |
| Category: | Press |
| Assigned to: |
Patentee Information:
| BROOKFIELD, William | New York, NY |
Class and subclass information:
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 68 | PROCESSES; Forming product or preform from molten glass; Initial forming of hollow product or preform in mold cavity; |
Known specimens:
| Number: |  |
Drawings:
Page 1 |