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John E. Pfeifer
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Redding, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ampoule analyzer apparatus
Patent number
6,768,549
Issue date
Jul 27, 2004
John Edward Pfeifer
G01 - MEASURING TESTING
Information
Patent Grant
Light analyzer apparatus
Patent number
6,762,842
Issue date
Jul 13, 2004
Microcensus, LLC
John Edward Pfeifer
G01 - MEASURING TESTING
Information
Patent Grant
Light analyzer apparatus
Patent number
6,493,085
Issue date
Dec 10, 2002
Microcensus, LLC
John Edward Pfeifer
G01 - MEASURING TESTING
Information
Patent Grant
Incubation system for an analyzer apparatus
Patent number
6,444,462
Issue date
Sep 3, 2002
Microcensus, LLC
John Edward Pfeifer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Portable power system using DC to DC converter
Patent number
6,087,815
Issue date
Jul 11, 2000
Fiskars Inc.
John Edward Pfeifer
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Portable electrical power system to supply direct current voltage
Patent number
5,929,597
Issue date
Jul 27, 1999
Fiskars Inc.
John Edward Pfeifer
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Power takeoff and lighting unit for fluorescent fixture
Patent number
5,716,128
Issue date
Feb 10, 1998
Markson Rosenthal & Co.
Gregory M. Clark
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable sensor for detecting bends of the back of a person past a...
Patent number
5,398,019
Issue date
Mar 14, 1995
Barnett; Larry W.
Larry W. Barnett
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Charge Controller for DC-DC Power Conversion
Publication number
20080111517
Publication date
May 15, 2008
John E. Pfeifer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Monitored medication package
Publication number
20050241983
Publication date
Nov 3, 2005
William B. Snyder
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Light analyzer apparatus
Publication number
20030072000
Publication date
Apr 17, 2003
Microcensus, LLC
John Edward Pfeifer
G01 - MEASURING TESTING