Brevetti   Gran Bretagna  

Patent:GB183723

Brevetto:	GB 183723
Titolo:	Improvements in and relating to Calculating Apparatus
Data:	03.01.1922
Luogo:	Coventry
Nazione:	Gran Bretagna
Persona:	King, Otis (P)
Ditta:
Link interni:	Otis King Calculator
Keywords:
Link al brevetto: (without guarantee)	GB183723

Aus der Patentschrift GB183723

• DATUM: 03.08.1922
• TITEL: Improvements in and relating to calculating apparatus
• PERSON: OTIS CARTER FORMBY KING