Patents   Great Britain  

Patent:GB146382

Patent:	GB 146382
Title:	Improvements relating to machines for compiling statistics by means of perforated cards
Date:	03.10.1921
Place:
Country:	Great Britain
Person:	, J.W.
Company:	Internat Time Recording Comp.
Internal Links:
Keywords:
Link to the patent office: (without guarantee)	GB146382

Aus der Patentschrift GB146382

• DATUM: 03.10.1921
• TITEL: Improvements relating to machines for compiling statistics by means of perforated cards
• PERSON: INTERNAT TIME RECORDING COMPAN
• Patent Family: ( Patent:DE353387, Patent:FR519141, Patent:GB146382, Patent:US1335274 )