Patent information:
| Patent: | Design 53,455 |
| Patented: | June 17, 1919 |
| Applied: | January 22, 1916 |
| Title: | Design for Porcelain Transmitter-Mouthpiece |
| Description: | Transmitter mouth piece |
| Category: | Misc |
| Assigned to: | Trenton Porcelain Co. |
Patentee Information:
Known specimens:
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