Pocket Watch Database


Pocket Watch Trademarks

The following gallery contains trademarks that were issued or assigned to E. Howard Watch Co. (Keystone) or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.

E. Howard & Co.

Trademark Number:47483
Description:E. Howard & Co.
Issued To: E Howard Watch Co
Theophilus P. Zurbrugg
Trademark Date:Nov 7, 1905
Registration Type:Trademark

E. Howard Watch Co.

Trademark Number:47690
Description:E. Howard Watch Co.
Issued To: E Howard Watch Co
Theophilus P. Zurbrugg
Trademark Date:Nov 14, 1905
Registration Type:Trademark

( Ring )

Trademark Number:71680
Description:( Ring )
Issued To: E Howard Watch Co
Trademark Date:Dec 8, 1908
Registration Type:Trademark