Levelling device
Description
FIG. 1 is a perspective view of a levelling device showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a left side elevational view thereof.
Referenced Cited
Patent History
Patent number: D261996
Type: Grant
Filed: Aug 13, 1979
Date of Patent: Nov 24, 1981
Assignee: Martronics Corp. (Morton Grove, IL)
Inventor: William F. Barton (Arlington Heights, IL)
Primary Examiner: Nelson C. Holtje
Attorney: Robert E. Browne
Application Number: 6/65,754
Type: Grant
Filed: Aug 13, 1979
Date of Patent: Nov 24, 1981
Assignee: Martronics Corp. (Morton Grove, IL)
Inventor: William F. Barton (Arlington Heights, IL)
Primary Examiner: Nelson C. Holtje
Attorney: Robert E. Browne
Application Number: 6/65,754
Classifications