1691516

Information

• Patent Grant
• 1691516

• References
• Source

• Patent Number

  1,691,516

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1928
  96 years ago

• CPC

  • B21G1/003 - Needles for special purposes
  • B21G7/04 - of hairpins

• US Classifications

  • 140 - Wireworking