1543528

Information

• Patent Grant
• 1543528

• References
• Source

• Patent Number

  1,543,528

• Date Filed

  Not available

• Date Issued

  Tuesday, June 23, 1925
  100 years ago

• CPC

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

• US Classifications

  • 396 - Photography
  • 101 - Printing