×

Multi-purpose derrick barge and method of use in oil well drilling and servicing

  • US 3,001,595 A
  • Filed: 05/26/1954
  • Issued: 09/26/1961
  • Est. Priority Date: 05/26/1954
  • Status: Expired due to Term
First Claim
Patent Images

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