Digitizing tablet

- Wang Laboratories, Inc.
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Description

FIG. 1 is a top, left, front perspective view of a digitizing tablet showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D211473 June 1968 Dykmans et al.
D284084 June 3, 1986 Ferrara, Jr.
3876831 April 1975 Wickham et al.
3980266 September 14, 1976 Jones
4455451 June 19, 1984 Kriz
4618119 October 21, 1986 Powell
Other references
  • Summagraphics Corp., Feb. 6, 1986-The MM 1812 Digitizer Computer Box.
Patent History
Patent number: D308198
Type: Grant
Filed: Oct 20, 1988
Date of Patent: May 29, 1990
Assignee: Wang Laboratories, Inc. (Lowell, MA)
Inventors: Thomas A. Tedham (Salem, MA), Kenichi Akagi (Littleton, MA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Freda S. Nunn
Attorneys: Michael H. Shanahan, Kenneth L. Milik
Application Number: 7/260,546