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Michael Welker
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Waterloo, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Portable electronic device and method of manufacturing parts thereof
Patent number
8,618,415
Issue date
Dec 31, 2013
Blackberry Limited
Dietmar Frank Wennemer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Key assembly for a mobile device
Patent number
8,492,666
Issue date
Jul 23, 2013
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enclosure for a speaker of a wireless device
Patent number
8,483,422
Issue date
Jul 9, 2013
Research in Motion Limited
Michael Welker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Key assembly for an electronic device having a multi-character keycap
Patent number
8,383,966
Issue date
Feb 26, 2013
Research In Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key assembly for an electronic device having a multi-character keycap
Patent number
8,232,485
Issue date
Jul 31, 2012
Research In Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Navigation tool socket for a handheld wireless communication device
Patent number
8,154,883
Issue date
Apr 10, 2012
Research In Motion Limited
Michael Welker
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
KEY ASSEMBLY FOR AN ELECTRONIC DEVICE HAVING A MULTI-CHARACTER KEYCAP
Publication number
20120255847
Publication date
Oct 11, 2012
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PORTABLE ELECTRONIC DEVICE AND METHOD OF MANUFACTURING PARTS THEREOF
Publication number
20120097412
Publication date
Apr 26, 2012
Research in Motion Limited
Dietmar Frank Wennemer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
ACTUATOR ASSEMBLY AND ELECTRONIC DEVICE INCLUDING SAME
Publication number
20120038469
Publication date
Feb 16, 2012
Research in Motion Limited
Farzin DEHMOUBED
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEY ASSEMBLY FOR A MOBILE DEVICE
Publication number
20120006667
Publication date
Jan 12, 2012
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
KEYPAD STIFFENER AND METHOD OF MANUFACTURE
Publication number
20110304554
Publication date
Dec 15, 2011
Research in Motion Limited
Chao Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEY ASSEMBLY FOR AN ELECTRONIC DEVICE HAVING A MULTI-CHARACTER KEYCAP
Publication number
20110073454
Publication date
Mar 31, 2011
Research in Motion Limited
Chao Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ENCLOSURE FOR A SPEAKER OF A WIRELESS DEVICE
Publication number
20100220887
Publication date
Sep 2, 2010
Research in Motion Limited
MICHAEL WELKER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRACKBALL SOCKET FOR A HANDHELD WIRELESS COMMUNICATION DEVICE
Publication number
20090213556
Publication date
Aug 27, 2009
Michael Welker
G06 - COMPUTING CALCULATING COUNTING