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John E. Oltman
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Mount Horeb, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rechargeable battery assemblies and methods of constructing recharg...
Patent number
8,460,816
Issue date
Jun 11, 2013
Etymotic Research, Inc.
Stephen D. Julstrom
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Hearing aid package
Patent number
7,987,977
Issue date
Aug 2, 2011
Sarnoff Corporation
Marvin A. Leedom
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hearing aid
Patent number
7,536,023
Issue date
May 19, 2009
Sarnoff Corporation
Marvin A. Leedom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hearing aid
Patent number
7,010,137
Issue date
Mar 7, 2006
Sarnoff Corporation
Marvin A. Leedom
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Air depolarized electrochemical button cell
Patent number
6,569,563
Issue date
May 27, 2003
Rayovac Corporation
Robert Adey
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Air depolarized electrochemical cells
Patent number
6,461,761
Issue date
Oct 8, 2002
Rayovac Corporation
Gregory Scott Moy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bottom seals in air depolarized electrochemical cells
Patent number
6,436,571
Issue date
Aug 20, 2002
Rayovac Corporation
Joseph Lynn Passaniti
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite carbon sheet, and electrochemical cells made therewith
Patent number
6,296,961
Issue date
Oct 2, 2001
Rayovac Corporation
Gregory Scott Moy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode can, and electrochemical cell made therewith
Patent number
6,284,400
Issue date
Sep 4, 2001
Rayovac Corporation
Robert Adey
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode can and electrochemical cell made therewith
Patent number
6,248,463
Issue date
Jun 19, 2001
Rayovac Corporation
Robert B. Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrochemical cells and components thereof
Patent number
6,245,452
Issue date
Jun 12, 2001
Rayovac Corporation
John Edward Oltman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Seals, and electrochemical cells made therewith
Patent number
6,210,826
Issue date
Apr 3, 2001
Rayovac Corporation
Robert Brian Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Elongate air depolarized electrochemical cells
Patent number
6,210,827
Issue date
Apr 3, 2001
Rayovac Corporation
Robert Brian Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for making a cathode can from metal strip
Patent number
6,205,831
Issue date
Mar 27, 2001
Rayovac Corporation
Robert Adey
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tubular air depolarized cell
Patent number
6,203,940
Issue date
Mar 20, 2001
Rayovac Corporation
John Edward Oltman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Air depolarized electrochemical cells
Patent number
6,197,445
Issue date
Mar 6, 2001
Rayovac Corporation
Michael Andrew Ward
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrochemical cell anode and high discharge rate electrochemical...
Patent number
6,087,030
Issue date
Jul 11, 2000
Rayovac Corporation
Randall L. Collien
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin walled electrochemical cell
Patent number
6,042,957
Issue date
Mar 28, 2000
Rayovac Corporation
John Edward Oltman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode can, and electrochemical cell made therewith
Patent number
6,040,074
Issue date
Mar 21, 2000
Rayovac Corporation
Robert Adey
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Toed-in anode can and electrochemical cell made therewith
Patent number
5,945,230
Issue date
Aug 31, 1999
Rayovac Corporation
John Edward Oltman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low mercury, high discharge rate electrochemical cell
Patent number
5,932,367
Issue date
Aug 3, 1999
Rayovac Corporation
Randall L. Collien
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Toed-in anode can and electrochemical cell made therewith
Patent number
5,919,586
Issue date
Jul 6, 1999
Rayovac Corporation
John Claude Springstead
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode can and electrochemical cell made therewith
Patent number
5,904,998
Issue date
May 18, 1999
Rayovac Corporation
Robert B. Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thin walled electrochemical cell
Patent number
5,804,327
Issue date
Sep 8, 1998
Rayovac Corporation
John Edward Oltman
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode can and electrochemical cell made therewith
Patent number
5,733,676
Issue date
Mar 31, 1998
Rayovac Corporation
Robert B. Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low mercury, high discharge rate electrochemical cell
Patent number
5,721,065
Issue date
Feb 24, 1998
Rayovac Corporation
Randall L. Collien
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode and cell having a hardened current collecting sub...
Patent number
5,656,395
Issue date
Aug 12, 1997
Robert B. Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Metal-air cathode and cell having a hardened current collecting sub...
Patent number
5,650,246
Issue date
Jul 22, 1997
Rayovac Corporation
Robert B. Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of hardening a metal current collecting strip of an air cath...
Patent number
5,637,117
Issue date
Jun 10, 1997
Rayovac Corporation
Robert B. Dopp
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High steel content thin walled anode can
Patent number
5,591,541
Issue date
Jan 7, 1997
Rayovac Corporation
John E. Oltman
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Rechargeable Battery Assemblies and Methods of Constructing Recharg...
Publication number
20110086256
Publication date
Apr 14, 2011
ETYMOTIC RESEARCH INC.
Stephen D. Julstrom
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Hearing aid
Publication number
20040240695
Publication date
Dec 2, 2004
Sarnoff Corporation
Marvin A. Leedom
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Hearing aid
Publication number
20040081328
Publication date
Apr 29, 2004
Sarnoff Corporation
Marvin A. Leedom
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Air depolarized electrochemical button cell
Publication number
20010001369
Publication date
May 24, 2001
Robert Adey
H01 - BASIC ELECTRIC ELEMENTS