Pocket Watch Database

Patent Archive
#361625

Patent Information

Watch Dust Band

Dietrich Gruen

April 19, 1887

Patent #361625
Manufacturer:Columbus Watch Co.
Patent Number:361625
Description:Watch Dust Band
Inventor(s): Dietrich Gruen
Patent Date:Apr 19, 1887
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF