Keller, Frederick
Company:
Westclox
Alternate Name Forms:
Frederick Keller
Patents:
Role: Witness Title: Clock Stand or Similar Article Number: Des. 38717 Issue Date: 1907-08-06
Role: Witness Title: Clock Case Number: Des. 38770 Issue Date: 1907-08-27
Role: Witness Title: Clock Stand Number: Des. 38815 Issue Date: 1907-09-17
Role: Witness Title: Clock Frame Number: Des. 47439 Issue Date: 1915-06-08
