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Karl Steffes
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Austin, TX, US
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last 30 patents
Information
Patent Grant
Computer access panel having a biased cover latching mechanism and...
Patent number
6,266,239
Issue date
Jul 24, 2001
Dell U.S.A., L.P.
Stephen Cook
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system access panel having a biased cover latching mechanism
Patent number
6,157,532
Issue date
Dec 5, 2000
Dell U.S.A., L.P.
Stephen Cook
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer having an expansion card cage assembly
Patent number
6,118,668
Issue date
Sep 12, 2000
Dell U.S.A., L.P.
Erica Scholder
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer access panel having a biased cover latching mechanism and...
Patent number
6,053,586
Issue date
Apr 25, 2000
Dell U.S.A., L.P.
Stephen Cook
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer having an expansion card cage assembly
Patent number
5,831,821
Issue date
Nov 3, 1998
Dell Computer Corporation
Erica Scholder
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Configurationally variable computer chassis/EMI shield apparatus an...
Patent number
5,684,271
Issue date
Nov 4, 1997
Dell U.S.A., L.P.
Erica J. Scholder
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adjustable printed circuit board mounting appartus
Patent number
5,457,608
Issue date
Oct 10, 1995
Dell USA, L.P.
Erica Scholder
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-position PC board fastener with grounding element
Patent number
5,452,184
Issue date
Sep 19, 1995
Dell USA, L.P.
Erica Scholder
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for upgrading a personal computer
Patent number
5,438,476
Issue date
Aug 1, 1995
Dell USA, L.P.
Karl Steffes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Shielded computer printed circuit board retention apparatus
Patent number
5,398,156
Issue date
Mar 14, 1995
Dell USA, L.P.
Karl M. Steffes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of convertibly upgrading a personal computer
Patent number
5,337,464
Issue date
Aug 16, 1994
Dell USA, L.P.
Karl M. Steffes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Expansion card/riser card module for desktop computers
Patent number
5,338,214
Issue date
Aug 16, 1994
Karl M. Steffes
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Desktop computer locking assembly
Patent number
5,228,319
Issue date
Jul 20, 1993
Dell USA, L.P.
Raymond J. Holley
G06 - COMPUTING CALCULATING COUNTING