John Ferrero

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Chatsworth, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Altimeter having correctable digitizer and method of use
- Patent number 6,662,652
- Issue date Dec 16, 2003
- Trans-Cal Industries, Inc.
- John Ferrero
- G01 - MEASURING TESTING
Information Patent Grant
Encoder for altimeters and the like instruments
- Patent number RE29436
- Issue date Oct 11, 1977
- Trans-Cal Industries, Inc.
- Robert M. Hulle
- 073 - Measuring and testing
Information Patent Grant
Method of forming an optical grating
- Patent number 4,034,460
- Issue date Jul 12, 1977
- Trans-Cal Industries, Inc.
- Robert M. Hulle
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR