Membership
Tour
Register
Log in
MDH INDUSTRIES, INC.
Follow
Organization
MONROVIA, CA, US
Organizations
Overview
Industries
People
People
Information
Transactions
Events
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for controlling neutrons escaping from an elemental analy...
Patent number
4,266,132
Issue date
May 5, 1981
MDH Industries, Inc.
J. Howard Marshall
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for analyzing the spectral data in an elemental analyzer...
Patent number
4,171,485
Issue date
Oct 16, 1979
MDH Industries, Inc.
J. Howard Marshall
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for reducing pulse pileup in an elemental analyzer measur...
Patent number
4,152,596
Issue date
May 1, 1979
MDH Industries, Inc.
J. Howard Marshall
G01 - MEASURING TESTING
Information
Patent Grant
Random digit generator
Patent number
4,151,404
Issue date
Apr 24, 1979
MDH Industries, Inc.
Timothy M. Harrington
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Circuitry for improving linearity of a counting system
Patent number
4,090,082
Issue date
May 16, 1978
MDH Industries Inc.
J. Howard Marshall
G01 - MEASURING TESTING
Information
Patent Grant
Unipolar wide-range current-to-frequency converter
Patent number
4,083,044
Issue date
Apr 4, 1978
MDH Industries Inc.
J. Howard Marshall
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital circuit for measuring relative frequency in separate pulse...
Patent number
4,005,364
Issue date
Jan 25, 1977
MDH Industries, Inc.
Timothy M. Harrington
G01 - MEASURING TESTING
Information
Patent Grant
Digital telemetering system for subsurface instrumentation
Patent number
3,991,611
Issue date
Nov 16, 1976
MDH Industries, Inc.
J. Howard Marshall
G08 - SIGNALLING
Information
Patent Grant
Circuitry for use with an ionizing-radiation detector
Patent number
3,984,690
Issue date
Oct 5, 1976
MDH Industries, Inc.
J. Howard Marshall
G01 - MEASURING TESTING
Information
Patent Grant
Method of measuring the duration of a discontinuous signal
Patent number
3,936,745
Issue date
Feb 3, 1976
MDH Industries, Inc.
Timothy M. Harrington
G04 - HOROLOGY
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73595607 - MDH
Serial number
73595607
Registration number
1448995
Filing date
Apr 28, 1986
MDH INDUSTRIES, INC.
42 - Scientific and technological services and research and design relating thereto
Information
Trademark
73595606 - MDH
Serial number
73595606
Registration number
1437839
Filing date
Apr 28, 1986
MDH INDUSTRIES, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments