Membership
Tour
Register
Log in
Donald R. Means
Follow
Person
Indianapolis, IN, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Power stealing for a thermostat using a TRIAC with FET control
Patent number
7,755,220
Issue date
Jul 13, 2010
Carrier Corporation
Scott A. Sorg
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for detecting telephone line status
Patent number
5,388,153
Issue date
Feb 7, 1995
AT&T Corp.
Theodore O. Burger
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive expander for telephones
Patent number
4,847,897
Issue date
Jul 11, 1989
American Telephone and Telegraph Company
Donald R. Means
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice-switched telephone circuit with center idle state
Patent number
4,700,382
Issue date
Oct 13, 1987
American Telephone and Telegraph Company, AT&T Information Systems, Inc.
Donald R. Means
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for controlling the application of telephone line power i...
Patent number
4,488,006
Issue date
Dec 11, 1984
AT&T Bell Laboratories
Terrence L. Essig
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dial pulsing circuit
Patent number
4,413,159
Issue date
Nov 1, 1983
Bell Telephone Laboratories, Incorporated
Donald D. Huizinga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Power Stealing for a Thermostat Using a Triac With Fet Control
Publication number
20070296280
Publication date
Dec 27, 2007
CARRIER CORPORATION
Scott A. Sorg
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC