Pocket Watch Database

Patent Archive
#1002124

Patent Information

Tool Watch Crystal Grinder

Helge A. Borresen

August 29, 1911

Patent #1002124
Patent Number:1002124
Description:Tool Watch Crystal Grinder
Inventor(s): Helge A. Borresen
Patent Date:Aug 29, 1911
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF