×

System for displaying sonic echoes from underwater targets

  • US 3,012,222 A
  • Filed: 08/08/1957
  • Issued: 12/05/1961
  • Est. Priority Date: 08/08/1957
  • Status: Expired due to Term
First Claim
Patent Images

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