Chris Kalmus

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LaGrange, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic wave touch detection circuit and method
- Patent number 7,812,269
- Issue date Oct 12, 2010
- Illinois Tool Works Inc.
- Terence J. Knowles
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic wave touch detection circuit and method
- Patent number 7,265,746
- Issue date Sep 4, 2007
- Illinois Tool Works Inc.
- Terence J. Knowles
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Acoustic wave touch actuated switch
- Patent number 7,106,310
- Issue date Sep 12, 2006
- TexZec, Inc.
- Terence J. Knowles
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Acoustic wave ice and water detector
- Patent number 7,026,943
- Issue date Apr 11, 2006
- TexZec, Inc.
- Terence J. Knowles
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
WEB SYSTEM AND METHOD FOR OUTCOME BASED ASSESSMENTS
- Publication number 20100198662
- Publication date Aug 5, 2010
- Christopher E. Kalmus
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ACOUSTIC WAVE TOUCH DETECTION CIRCUIT AND METHOD
- Publication number 20070261895
- Publication date Nov 15, 2007
- Terence J. Knowles
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Acoustic wave ice and water detector
- Publication number 20050016278
- Publication date Jan 27, 2005
- Terence J. Knowles
- G01 - MEASURING TESTING
Information Patent Application
Acoustic wave touch detection circuit and method
- Publication number 20040246239
- Publication date Dec 9, 2004
- Terence J. Knowles
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Acoustic wave touch actuated switch
- Publication number 20020126103
- Publication date Sep 12, 2002
- Terence J. Knowles
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Acoustic wave touch actuated switch
- Publication number 20020126104
- Publication date Sep 12, 2002
- Terence J. Knowles
- G06 - COMPUTING CALCULATING COUNTING