2231899

Information

• Patent Grant
• 2231899

• References
• Source

• Patent Number

  2,231,899

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1941
  84 years ago

• CPC

  • B41B15/14 - with a single character, or with combinations of different styles of a single character

• US Classifications

  • 396 - Photography