1407794

Information

• Patent Grant
• 1407794

• References
• Source

• Patent Number

  1,407,794

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1922
  102 years ago

• CPC

  • B21K11/02 - knives

• US Classifications

  • 219 - Electric heating
  • 076 - Metal tools and implements, making