William Floyd Keith

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White City, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable passenger boarding ramp assembly
- Patent number 9,238,512
- Issue date Jan 19, 2016
- William Floyd Keith
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dual bridge aircraft passenger boarding ramp assembly and method
- Patent number 8,863,341
- Issue date Oct 21, 2014
- William Floyd Keith
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Dual bridge aircraft passenger boarding ramp assembly and method
- Patent number 8,806,690
- Issue date Aug 19, 2014
- William Floyd Keith
- B64 - AIRCRAFT AVIATION COSMONAUTICS