Title:
Tethered hovering platform
United States Patent 3149803
US Patent References:
Compensating propeller
- - 1491997
Automatic pilot for helicopters
- - 2479549
Radar system
- - 2995740
Helicopter with counter-rotating propeller
- - 2996269
Flight control system
- - 3071335
Compensating propeller
- - 1491997
Automatic pilot for helicopters
- - 2479549
Radar system
- - 2995740
Helicopter with counter-rotating propeller
- - 2996269
Flight control system
- - 3071335
Inventors:
Thracy, Petrides
Stapelfeld, Wilfred P.
Oleg, Stroukoff
Stapelfeld, Wilfred P.
Oleg, Stroukoff
Publication Date:
09/22/1964
View Patent Images:
Export Citation:
Assignee:
US INDUSTRIES INC
Primary Class:
Other Classes:
244/17.170, 244/17.230
International Classes:
B64C39/02; B64C39/00
Foreign References:
| CA612551A | ||||
| FR864986A |