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Richard O'Polka
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Wauwatosa, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Portable sound system
Patent number
10,771,897
Issue date
Sep 8, 2020
Richard O'Polka
E04 - BUILDING
Information
Patent Grant
Portable sound system
Patent number
10,149,058
Issue date
Dec 4, 2018
Richard O'Polka
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Portable sound system
Patent number
9,560,442
Issue date
Jan 31, 2017
Richard O'Polka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Portable sound device
Patent number
D740784
Issue date
Oct 13, 2015
Richard O'Polka
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Portable sound system
Patent number
9,084,047
Issue date
Jul 14, 2015
Richard O'Polka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PORTABLE SOUND SYSTEM
Publication number
20220141589
Publication date
May 5, 2022
Richard O'Polka
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
PORTABLE SOUND SYSTEM
Publication number
20200404421
Publication date
Dec 24, 2020
Richard O'Polka
E04 - BUILDING
Information
Patent Application
PORTABLE SOUND SYSTEM
Publication number
20190116423
Publication date
Apr 18, 2019
Richard O'Polka
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
PORTABLE SOUND SYSTEM
Publication number
20170105070
Publication date
Apr 13, 2017
Richard O'Polka
E04 - BUILDING
Information
Patent Application
PORTABLE SOUND SYSTEM
Publication number
20150319525
Publication date
Nov 5, 2015
Richard O'Polka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PORTABLE SOUND SYSTEM
Publication number
20140270320
Publication date
Sep 18, 2014
Richard O'Polka
H04 - ELECTRIC COMMUNICATION TECHNIQUE