Random number generator

Description

FIG. 1 is a perspective view of a random number genertor showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a side elevational view thereof.

The balls and numbers are shown in broken lines for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
1866063 July 1932 Sloan
4930779 June 5, 1990 Maddox
Patent History
Patent number: D324081
Type: Grant
Filed: May 22, 1989
Date of Patent: Feb 18, 1992
Assignee: Battelle Memorial Institute (Columbus, OH)
Inventors: Loren R. Albrechtson (Columbus, OH), Lloyd Barnhart (Hilliard, OH), Robert Huggins (Hilliard, OH), Sandra D. Morey (Blacklick, OH)
Primary Examiner: Terry A. Pfeffer
Law Firm: Watkins, Dunbar & Pollick
Application Number: 7/354,675
Classifications
Current U.S. Class: D21/37