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Washington, DC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Upper audio range hearing apparatus and method
Patent number
6,731,769
Issue date
May 4, 2004
Sound Techniques Systems LLC
Martin L. Lenhardt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tinnitis masking and suppressor using pulsed ultrasound
Patent number
6,394,969
Issue date
May 28, 2002
Sound Techniques Systems LLC
Martin L. Lenhardt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Marine turtle acoustic repellent/alerting apparatus and method
Patent number
6,388,949
Issue date
May 14, 2002
Sound Technique Systems LLC
Martin L. Lenhardt
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Stapedial-saccular strut and method
Patent number
6,368,267
Issue date
Apr 9, 2002
Sound Techniques Systems, LLC
Martin L. Lenhardt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Method and apparatus for improving hearing in patients suffering fr...
Publication number
20050201574
Publication date
Sep 15, 2005
SOUND TECHNIQUE SYSTEMS
Martin L. Lenhardt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Tinnitis masking
Publication number
20020173697
Publication date
Nov 21, 2002
SOUND TECHNIQUES SYSTEMS LLC
Martin L. Lenhardt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Trademark
last 30 trademarks