2089354

Information

• Patent Grant
• 2089354

• References
• Source

• Patent Number

  2,089,354

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1937
  87 years ago

• CPC

  • B23P15/005 - keys
  • Y10T29/442 - of key article

• US Classifications

  • 029 - Metal working
  • 269 - Work holders