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Irvin L. Valley Patents |
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Inventor: Valley; Irvin L.
Address: Fircrest, WA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4879965 |
Airport twenty-four hour pilot information markers |
November 14, 1989 |
| Airport twenty-four hour pilot information markers are provided to tell the pilot: upon takeoff or landing how many feet of runway remain; before takeoff or after landing what taxiway he or she is to follow; what is the direction, inboard, outboard, north, south, east, or west, etc.; wha |
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