Pocket Watch Database
Illinois Watch Co.
Pocket Watch Patents
The following gallery contains patents that were issued or assigned to Illinois or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.
Watch Device Let Down Main Spring
|Description:||Watch Device Let Down Main Spring|
|Inventor:||Ryland L. Taft|
|Assignee:||Illinois Watch Co|
|Patent Date:||Apr 20, 1886|