×

Transmission boxes for multi-engine, single-rotor helicopters

  • US 3,255,825 A
  • Filed: 03/07/1963
  • Issued: 06/14/1966
  • Est. Priority Date: 03/14/1962
  • Status: Expired due to Term
First Claim
Patent Images

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