Michael Ratchford

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East Granby, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Fault tolerant flight data recorder
- Patent number 4,682,292
- Issue date Jul 21, 1987
- United Technologies Corporation
- Richard L. Bue
- G07 - CHECKING-DEVICES
Information Patent Grant
Solid-state flight data recording system
- Patent number 4,646,241
- Issue date Feb 24, 1987
- United Technologies Corporation
- Michael Ratchford
- G07 - CHECKING-DEVICES
Information Patent Grant
Fault tolerant communications interface
- Patent number 4,633,473
- Issue date Dec 30, 1986
- United Technologies Corporation
- Michael Ratchford
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital flight data recording system
- Patent number 4,470,116
- Issue date Sep 4, 1984
- United Technologies Corporation
- Michael Ratchford
- G05 - CONTROLLING REGULATING