Patents   USA  

Patent:US2714988

Patent:	US 2714988
Title:	Keyboard Controls for Adding Machines
Date:	09.08.1955
Place:
Country:	USA
Person:	Brubaker, D. P. (P)
Company:	NCR (P)
Internal Links:
Keywords:
Link to the patent office: (without guarantee)	US2714988 (espacenet),  US2714988 (uspto)

Aus der Patentschrift US2714988

• DATUM: 09.08.1955
• TITEL: Keyboard controls for adding machines
• PERSON: NCR CO