Richard D. Henry

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Clinton, PA, US

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Patents Grantslast 30 patents

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Foolproof simplified vacuum systems
- Patent number 4,817,889
- Issue date Apr 4, 1989
- Richard D. Henry
- B60 - VEHICLES IN GENERAL
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Trustworthy simplified vacuum systems
- Patent number 4,705,233
- Issue date Nov 10, 1987
- Richard D. Henry
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Trustworthy bank and angle of attack indicator
- Patent number 4,669,303
- Issue date Jun 2, 1987
- Richard D. Henry
- G01 - MEASURING TESTING
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Basic flight instrument
- Patent number 4,638,660
- Issue date Jan 27, 1987
- Richard D. Henry
- G01 - MEASURING TESTING
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Bank and pitch indicator
- Patent number 4,598,582
- Issue date Jul 8, 1986
- Richard D. Henry
- G01 - MEASURING TESTING
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Approach system with simulated display of runway lights and glide s...
- Patent number 4,210,930
- Issue date Jul 1, 1980
- Richard D. Henry
- G08 - SIGNALLING