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Gregory Michael MacDonald
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Alameda, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Cooling straw
Patent number
10,159,369
Issue date
Dec 25, 2018
Gregory Michael MacDonald
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Sweat proof earphones
Patent number
9,820,027
Issue date
Nov 14, 2017
Gregory Michael MacDonald
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
SWEAT PROOF EARPHONES
Publication number
20160127817
Publication date
May 5, 2016
Gregory Michael MacDonald
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Cooling Straw
Publication number
20150335186
Publication date
Nov 26, 2015
Gregory Michael MacDonald
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...