1908109

Information

• Patent Grant
• 1908109

• References
• Source

• Patent Number

  1,908,109

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1933
  91 years ago

• CPC

  • B42C7/006 - Folding the edges of covers

• US Classifications

  • 281 - Books, strips, and leaves