Pocket Watch Database
E. Howard Watch Co. (Keystone)
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 |
Watch Case & Movement Arrow & Circle
| Trademark Number: | 165331 |
| Description: | Watch Case & Movement Arrow & Circle |
| Issued To: | Keystone Watch Case Co Frederick E. Hyatt |
| Trademark Date: | Mar 6, 1923 |
| Registration Type: | Trademark |
Watch Case & Movement Arrow Circle & Cross
| Trademark Number: | 165403 |
| Description: | Watch Case & Movement Arrow Circle & Cross |
| Issued To: | Keystone Watch Case Co Frederick E. Hyatt |
| Trademark Date: | Mar 6, 1923 |
| Registration Type: | Trademark |
Watch Case & Movement Arrow Circle & Star
| Trademark Number: | 165404 |
| Description: | Watch Case & Movement Arrow Circle & Star |
| Issued To: | Keystone Watch Case Co Frederick E. Hyatt |
| Trademark Date: | Mar 6, 1923 |
| Registration Type: | Trademark |
Watch Case & Movement Arrow Pierces Triangle Circle
| Trademark Number: | 165405 |
| Description: | Watch Case & Movement Arrow Pierces Triangle Circle |
| Issued To: | Keystone Watch Case Co Frederick E. Hyatt |
| Trademark Date: | Mar 6, 1923 |
| Registration Type: | Trademark |