1810334

Information

• Patent Grant
• 1810334

• References
• Source

• Patent Number

  1,810,334

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1931
  93 years ago

• CPC

  • B42D15/0046 - Forms for staff or material planning; Inventories

• US Classifications

  • 434 - Education and demonstration