Pocket Watch Database

Patent Archive
#1633351

Patent Information

Watch Dust Guard

Irving Sonnenthal

June 21, 1927

Patent #1633351
Patent Number:1633351
Description:Watch Dust Guard
Inventor(s): Irving Sonnenthal
Patent Date:Jun 21, 1927
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF