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Patent:US1884189

Patent:	US 1884189
Title:	Combined Calculating and Card Printing and Perforating Machine
Date:	25.10.1932
Place:
Country:	USA
Person:	N. W. Perkins
Company:
Internal Links:
Keywords:
Link to the patent office: (without guarantee)	US1884189 (espacenet),  US1884189 (uspto)

Aus der Patentschrift US1884189

• DATUM: 25.10.1932
• TITEL: Combined calculating and card printing and perforating machine
• PERSON: ELLIS ADDING TYPEWRITER COMPAN