1512434

Information

• Patent Grant
• 1512434

• References
• Source

• Patent Number

  1,512,434

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1924
  100 years ago

• CPC

  • B41J29/24 - Word counters

• US Classifications

  • 235 - Registers
  • 400 - Typewriting machines