Means for airplane approach control
United States Patent 2495139
US Patent References:
Calculating device
- - 2034189
Airplane describing system
- - 2268240
Airplane dispatching system
- - 2344760
Calculating device
- - 2034189
Airplane describing system
- - 2268240
Airplane dispatching system
- - 2344760
Inventors:
Saint, Samuel P.
Publication Date:
01/17/1950
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Export Citation:
Assignee:
GEN RAILWAY SIGNAL CO
Primary Class:
Other Classes:
244/1R
International Classes:
G01S1/02; G01S1/00
Foreign References:
| GB452655A |