1912905

Information

• Patent Grant
• 1912905

• References
• Source

• Patent Number

  1,912,905

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1933
  91 years ago

• CPC

  • B41F19/066 - hand-driven
  • B41P2219/30 - Printing dies

• US Classifications

  • 400 - Typewriting machines