-
-
-
-
Portable computer housing
-
Patent number D339112
-
Issue date Sep 7, 1993
-
International Business Machines Corporation
-
Hunter T. Foy
-
D14 - Recording, communication, or information retrieval equipment
-
-
-
-
Combined mouse and trackball
-
Patent number 5,063,289
-
Issue date Nov 5, 1991
-
Lexmark International, Inc.
-
Joseph E. Jasinski
-
G06 - COMPUTING CALCULATING COUNTING
-
Portable personal computer
-
Patent number 5,021,922
-
Issue date Jun 4, 1991
-
International Business Machines Corporation
-
Myron F. Davis
-
G06 - COMPUTING CALCULATING COUNTING