Mark DeWilde

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Ithaca, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Concha-fitting custom earplug with flexible skin and filler material
- Patent number 8,897,458
- Issue date Nov 25, 2014
- Red Tail Hawk Corporation
- John W. Parkins
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Eartip with tether
- Patent number 8,498,440
- Issue date Jul 30, 2013
- Red Tail Hawk Corporation
- John W. Parkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Concha-Fitting Custom Earplug with Flexible Skin and Filler Material
- Publication number 20120243701
- Publication date Sep 27, 2012
- RED TAIL HAWK CORPORATION
- John W. Parkins
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
EARTIP WITH TETHER
- Publication number 20120051578
- Publication date Mar 1, 2012
- RED TAIL HAWK CORPORATION
- John W. Parkins
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-Material Hearing Protection Custom Earplug
- Publication number 20110271965
- Publication date Nov 10, 2011
- RED TAIL HAWK CORPORATION
- John W. Parkins
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL