Electronic learning aid
Latest Video Technology Industries, Inc. Patents:
Description
FIG. 1 is a top plan view of an electronic learning aid showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof; and
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is an enlarged top perspective view thereof.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D317176
Type: Grant
Filed: Apr 15, 1988
Date of Patent: May 28, 1991
Assignee: Video Technology Industries, Inc. (Wheeling, IL)
Inventor: David Cheung (Kowloon)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela J. Schmidt
Law Firm: Dick and Harris
Application Number: 7/182,050
Type: Grant
Filed: Apr 15, 1988
Date of Patent: May 28, 1991
Assignee: Video Technology Industries, Inc. (Wheeling, IL)
Inventor: David Cheung (Kowloon)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Pamela J. Schmidt
Law Firm: Dick and Harris
Application Number: 7/182,050
Classifications
Current U.S. Class:
Sensory Feedback, E.g., Audio-visual Teaching Machine (D19/60)