Pocket Watch Database
Patent Archive
#209618
Patent Information
Clock Calendar
Benjamin B. Lewis
November 5, 1878
Patent #209618
Patent Number: | 209618 |
Description: | Clock Calendar |
Inventor(s): | Benjamin B. Lewis |
Patent Date: | Nov 5, 1878 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |