1660962

Information

• Patent Grant
• 1660962

• References
• Source

• Patent Number

  1,660,962

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1928
  96 years ago

• CPC

  • A61C7/065 - with a chin cup
  • A61C7/06 - Extra-oral force transmitting means

• US Classifications

  • 433 - Dentistry