Pocket Watch Database
Fortenbach Bros.
Pocket Watch Patents
The following gallery contains patents that were issued or assigned to Fortenbach Bros. or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.
Machine Watch Case Cutter
| Patent Number: | 75892 |
| Description: | Machine Watch Case Cutter |
| Inventor: | Jacob Fortenbach John Fortenbach |
| Patent Date: | Mar 24, 1868 |
| Registration Type: | Patent |
Watch Case Die
| Patent Number: | 185172 |
| Description: | Watch Case Die |
| Inventor: | Joseph Fortenbach |
| Patent Date: | Dec 12, 1876 |
| Registration Type: | Patent |
Watch Case Die
| Patent Number: | 185173 |
| Description: | Watch Case Die |
| Inventor: | Joseph Fortenbach |
| Patent Date: | Dec 12, 1876 |
| Registration Type: | Patent |
Watch Case Center Die
| Patent Number: | 185174 |
| Description: | Watch Case Center Die |
| Inventor: | Joseph Fortenbach |
| Patent Date: | Dec 12, 1876 |
| Registration Type: | Patent |
Watch Case Attach To Stem Wind
| Patent Number: | 211144 |
| Description: | Watch Case Attach To Stem Wind |
| Inventor: | Joseph Fortenbach |
| Patent Date: | Jan 7, 1879 |
| Registration Type: | Patent |