Kaefer, Martin
Company:
Westclox
Alternate Name Forms:
Martin Hermann Kaefer
Patents:
Role: Inventor Title: Clock Case Number: Des. 82032 Issue Date: 1930-09-16
Role: Inventor Title: Electric Clock Driving Mechanism Number: 1779214 Issue Date: 1930-10-21
Role: Inventor Title: Electric Clock Driving Mechanism Number: 1802056 Issue Date: 1931-04-21
Role: Inventor Title: Clock Case Number: Des. 85099 Issue Date: 1931-09-15
Role: Inventor Title: Electrical Attachment for Plug Number: 1912147 Issue Date: 1933-05-30
Role: Inventor Title: Timer Mechanism Number: 2545617 Issue Date: 1951-03-20
