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London, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Computer with a pen or touch sensitive display
Patent number
6,870,730
Issue date
Mar 22, 2005
Psion-Computers PLC
Martin Philip Riddiford
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key assembly
Patent number
5,777,281
Issue date
Jul 7, 1998
Psion Computers PLC
Martin Philip Riddiford
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable computing device
Patent number
D394848
Issue date
Jun 2, 1998
Psion Computers PLC
Martin Philip Riddiford
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Computing equipment casing having hinged, spring loaded and sliding...
Patent number
5,742,475
Issue date
Apr 21, 1998
Psion Computer Plc
Martin Philip Riddiford
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75799555 - REVO
Serial number
75799555
Filing date
Sep 14, 1999
Psion Computers Plc
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments