920940

Information

• Patent Grant
• 920940

• References
• Source

• Patent Number

  920,940

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1909
  116 years ago

• CPC

  • B41J5/52 - characterised by the provision of additional devices for producing a punched or like record

• US Classifications

  • 235 - Registers
  • 400 - Typewriting machines