1334691

Information

• Patent Grant
• 1334691

• References
• Source

• Patent Number

  1,334,691

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1920
  105 years ago

• CPC

  • B23K37/0223 - the guide member being a part of the workpiece

• US Classifications

  • 219 - Electric heating