H. Frumess, Helzberg's, Lincoln Watch Co., Chas. Schwartz & Co., or White Bros.
Pocket Watch Patents

The following gallery contains patents that were issued or assigned to H. Frumess, Helzberg's, Lincoln Watch Co., Chas. Schwartz & Co., or White Bros. or individuals known to be associated with the company at the time. Not all designs were fully implemented into production.