2691535

Information

• Patent Grant
• 2691535

• References
• Source

• Patent Number

  2,691,535

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1954
  70 years ago

• CPC

  • A45C15/02 - with memorandum tablets

• US Classifications

  • 281 - Books, strips, and leaves