Pocket Watch Database
Patent Archive
#201864
Patent Information
Time Indicate Night Lamp
Henry Sr Behn
April 2, 1878
Patent #201864
| Patent Number: | 201864 |
| Description: | Time Indicate Night Lamp |
| Inventor(s): | Henry Sr Behn |
| Patent Date: | Apr 2, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
