Richard W. Ulmer

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Gilbert, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Reducing acoustic feedback with digital modulation
- Patent number 6,252,967
- Issue date Jun 26, 2001
- Acoustic Technologies, Inc.
- Kendall G. Moore
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Process control monitoring system and method therefor
- Patent number 5,854,563
- Issue date Dec 29, 1998
- VLSI Technology, Inc.
- Sung-Hun Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low skew CMOS clock divider
- Patent number 5,249,214
- Issue date Sep 28, 1993
- VLSI Technology, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Logic level shifter for 3 volt CMOS to 5 volt CMOS or TTL
- Patent number 5,223,751
- Issue date Jun 29, 1993
- VLSI Technology, Inc.
- Laura E. Simmons
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Self-configuring clock interface circuit
- Patent number 5,065,042
- Issue date Nov 12, 1991
- VLSI Technology, Inc.
- Joseph A. Thomsen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Start-up circuit for low power MOS crystal oscillator
- Patent number 4,956,618
- Issue date Sep 11, 1990
- VLSI Technology, Inc.
- Richard W. Ulmer
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Line interface for telephone
- Publication number 20080043998
- Publication date Feb 21, 2008
- Acoustic Technologies, Inc.
- Richard W. Ulmer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE