Robert J Fretz

Inventor

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Work History

Patent OwnerApplications FiledYear
GN RESOUND NORTH AMERICA CORPORATION
1
1
1
1
1997
1998
1999
2005
COCHLEAR CORPORATION
1
1987
INTRICON CORPORATION
2
2
5
1
1
2009
2010
2011
2012
2013
GN RESOUND CORPORATION
1
1997
RESOUND CORPORATION
1
1
1
1997
1998
1999
INTRICON, INC.
2
2004

Inventor Addresses

AddressDuration
MAPLEWOOD, MN, USJan 02, 03 - Jan 02, 03
Maplewood, MNMar 15, 88 - Apr 11, 06
Maplewood, MN, USApr 14, 09 - Jul 01, 14

Technology Profile

Technology # of Patents
A61B: DIAGNOSIS; SURGERY; IDENTIFICATION 1
B23P: OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 1
H01R: ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
8,767,9872014Ear contact pressure wave hearing aid switch0
2014/0105,4382014Hearing Aid Positioning System And Structure0
8,605,9272013Hearing aid positioning system and structure1
8,358,7972013Switch for a hearing aid0
8,355,5172013Hearing aid circuit with feedback transition adjustment0

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