×

Turning point and preliminary survey pin

  • US 3,059,732 A
  • Filed: 03/17/1961
  • Issued: 10/23/1962
  • Est. Priority Date: 03/17/1961
  • Status: Expired due to Term
First Claim
Patent Images

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×