William D. Schaefer

Person

Grand Rapids, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for determining a stimulus, including a touch...
- Patent number 10,248,264
- Issue date Apr 2, 2019
- AlSentis, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light emitting device for illuminating plants
- Patent number 9,437,786
- Issue date Sep 6, 2016
- VENNTIS TECHNOLOGIES LLC
- Jeffrey L. Mastin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting device for illuminating plants
- Patent number 9,184,350
- Issue date Nov 10, 2015
- VENNTIS TECHNOLOGIES LLC
- Jeffrey L. Mastin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Volumetric light emitting device
- Patent number 9,041,286
- Issue date May 26, 2015
- VENNTIS TECHNOLOGIES LLC
- Daniel J. Fisher
- F21 - LIGHTING
Information Patent Grant
Apparatus and method for determining a touch input
- Patent number 8,866,497
- Issue date Oct 21, 2014
- AlSentis, LLC
- David W. Caldwell
- G01 - MEASURING TESTING
Information Patent Grant
Multi-layer solid state keyboard
- Patent number 7,532,131
- Issue date May 12, 2009
- William David Schaefer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Molded/integrated touch switch/control panel assembly and method fo...
- Patent number 6,897,390
- Issue date May 24, 2005
- TouchSensor Technologies, LLC
- David W. Caldwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...
- Publication number 20190369771
- Publication date Dec 5, 2019
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PORTABLE AND RECONFIGURABLE ISOTROPIC LIGHTING DEVICES
- Publication number 20170002994
- Publication date Jan 5, 2017
- Venntis Technologies, LLC
- Daniel J. Fisher
- F21 - LIGHTING
Information Patent Application
LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS
- Publication number 20160064620
- Publication date Mar 3, 2016
- Venntis Technologies LLC
- Jeffrey L. Mastin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...
- Publication number 20150301646
- Publication date Oct 22, 2015
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS
- Publication number 20140374780
- Publication date Dec 25, 2014
- William D. Schaefer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VOLUMETRIC LIGHT EMITTING DEVICE
- Publication number 20140354145
- Publication date Dec 4, 2014
- Venntis Technologies LLC
- Daniel J. Fisher
- F21 - LIGHTING
Information Patent Application
APPARATUS AND METHOD FOR DETERMINING A TOUCH INPUT
- Publication number 20120068760
- Publication date Mar 22, 2012
- ALSENTIS, LLC
- David W. Caldwell
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multi-layer solid state keyboard
- Publication number 20050062620
- Publication date Mar 24, 2005
- William David Schaefer
- H01 - BASIC ELECTRIC ELEMENTS

William D. Schaefer

Person

Patents Grantslast 30 patents

Apparatus and method for determining a stimulus, including a touch...

Light emitting device for illuminating plants

Light emitting device for illuminating plants

Volumetric light emitting device

Apparatus and method for determining a touch input

Multi-layer solid state keyboard

Molded/integrated touch switch/control panel assembly and method fo...

Patents Applicationslast 30 patents

APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...

PORTABLE AND RECONFIGURABLE ISOTROPIC LIGHTING DEVICES

LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS

APPARATUS AND METHOD FOR DETERMINING A STIMULUS, INCLUDING A TOUCH...

LIGHT EMITTING DEVICE FOR ILLUMINATING PLANTS

VOLUMETRIC LIGHT EMITTING DEVICE

APPARATUS AND METHOD FOR DETERMINING A TOUCH INPUT

Multi-layer solid state keyboard