1027514

Information

• Patent Grant
• 1027514

• References
• Source

• Patent Number

  1,027,514

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1912
  112 years ago

• CPC

  • G09B11/08 - Teaching shorthand

• US Classifications

  • 434 - Education and demonstration
  • 283 - Printed matter