Charles D. O'Neal III

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Pepperell, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Circuit and circuit breaker tester
- Patent number 6,815,955
- Issue date Nov 9, 2004
- K.O. Devices, Inc.
- Charles D. O'Neal
- G01 - MEASURING TESTING
Information Patent Grant
Circuit breaker tester
- Patent number 5,736,861
- Issue date Apr 7, 1998
- Keleher; Paul A.
- Paul A. Keleher
- G01 - MEASURING TESTING
Information Patent Grant
Vacuum gauge
- Patent number 5,079,954
- Issue date Jan 14, 1992
- The BOC Group, Inc.
- Charles D. O'Neal
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for controlling pressure ratio in high vacuum...
- Patent number 4,191,512
- Issue date Mar 4, 1980
- Varian Associates, Inc.
- Charles D. O'Neal
- G05 - CONTROLLING REGULATING
Information Patent Grant
Vacuum measuring ionization apparatus control
- Patent number 4,093,913
- Issue date Jun 6, 1978
- Varian Associates, Inc.
- Charles D. O'Neal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cold cathode ionization gauge control for vacuum measurement
- Patent number 4,000,457
- Issue date Dec 28, 1976
- Varian Associates
- Charles D. O'Neal
- G01 - MEASURING TESTING