David C. Ullestad

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St. Louis Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for range control and supply voltage compensat...
- Patent number 4,908,623
- Issue date Mar 13, 1990
- Honeywell Inc.
- David C. Ullestad
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distributed environmental/load control system
- Patent number 4,657,179
- Issue date Apr 14, 1987
- Honeywell Inc.
- John R. Aggers
- G05 - CONTROLLING REGULATING
Information Patent Grant
Dual slope analog to digital converter with out-of-range reset
- Patent number 4,596,977
- Issue date Jun 24, 1986
- Honeywell Inc.
- Mitchell A. Bauman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for power load shedding
- Patent number 4,341,345
- Issue date Jul 27, 1982
- Honeywell Inc.
- Jeffrey M. Hammer
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...