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Rad Elec., Inc.
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Washington, DC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Measurement of undisturbed radon ground surface flux using a passiv...
Patent number
8,153,959
Issue date
Apr 10, 2012
Rad Elec Inc.
Lorin R. Stieff
G01 - MEASURING TESTING
Information
Patent Grant
Radon progeny monitor
Patent number
7,312,439
Issue date
Dec 25, 2007
Rad Elec Inc.
Payasada Kotrappa
G01 - MEASURING TESTING
Information
Patent Grant
Gamma radiation compensated radon measurement system
Patent number
5,128,540
Issue date
Jul 7, 1992
Rad Elec, Inc.
Lorin R. Stieff
G01 - MEASURING TESTING
Information
Patent Grant
Electret gamma/X-ray low level dosimeter
Patent number
5,126,567
Issue date
Jun 30, 1992
Rad Elec, Inc.
John C. Dempsey
G01 - MEASURING TESTING
Information
Patent Grant
Small volume ion chamber
Patent number
D327121
Issue date
Jun 16, 1992
Rad Elec, Inc.
Robert W. Ramsey
D23 - Environmental heating and cooling
Information
Patent Grant
Programmable controlled-exposure radon measurement system
Patent number
5,107,108
Issue date
Apr 21, 1992
Rad Elec Inc.
Paul R. Ramsey
G01 - MEASURING TESTING
Information
Patent Grant
Electret ionization chamber for monitoring radium and dissolved rad...
Patent number
5,055,674
Issue date
Oct 8, 1991
Rad Elec, Inc.
Payasada Kotrappa
G01 - MEASURING TESTING
Information
Patent Grant
Radon monitor
Patent number
D318022
Issue date
Jul 9, 1991
Rad Elec Inc.
Robert W. Ramsey
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Collapsible radon monitor
Patent number
D318023
Issue date
Jul 9, 1991
Rad Elec Inc.
Robert W. Ramsey
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Electret gamma/X-ray low level dosimeter
Patent number
5,008,540
Issue date
Apr 16, 1991
Rad Elec Inc.
John C. Dempsey
G01 - MEASURING TESTING
Information
Patent Grant
Electret ion chamber for radon monitoring
Patent number
4,992,658
Issue date
Feb 12, 1991
Rad Elec Inc.
Robert W. Ramsey
G01 - MEASURING TESTING
Information
Patent Grant
Radon monitor
Patent number
4,926,053
Issue date
May 15, 1990
Rad Elec., Inc.
John C. Dempsey
G01 - MEASURING TESTING
Information
Patent Grant
Ionization chamber for monitoring radioactive gas
Patent number
4,853,536
Issue date
Aug 1, 1989
Rad Elec Inc.
John C. Dempsey
G01 - MEASURING TESTING
Information
Patent Grant
Subsoil radioactive gas measuring system
Patent number
4,814,608
Issue date
Mar 21, 1989
Rad Elec Inc.
John C. Dempsey
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
87165682 - RECON
Serial number
87165682
Registration number
5487287
Filing date
Sep 9, 2016
RAD ELEC INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
77950311 - RAD ELEC
Serial number
77950311
Registration number
4057995
Filing date
Mar 4, 2010
RAD ELEC INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
77950300 - E-PERM
Serial number
77950300
Registration number
4036829
Filing date
Mar 4, 2010
RAD ELEC INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
76513928 - E-RPISU
Serial number
76513928
Filing date
May 9, 2003
RAD ELEC INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73811087 - E-RPISU
Serial number
73811087
Registration number
1584449
Filing date
Jun 30, 1989
RAD ELEC INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73786277 - E-PERM
Serial number
73786277
Registration number
1563186
Filing date
Mar 13, 1989
RAD ELEC INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments