1936931

Information

• Patent Grant
• 1936931

• References
• Source

• Patent Number

  1,936,931

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1933
  91 years ago

• CPC

  • B21F27/06 - Manufacturing on twister-gear machines

• US Classifications

  • 140 - Wireworking