Combined ruler and solar cell calculator
Description
FIG. 1 is a top plan view of a combined ruler and solar cell calculator, showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof, the rear being substantially a mirror image thereto;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a left end elevational view thereof.
Referenced Cited
Patent History
Patent number: D283515
Type: Grant
Filed: Aug 2, 1983
Date of Patent: Apr 22, 1986
Inventor: Robert S. K. Li
Primary Examiner: Nelson C. Holtje
Law Firm: Ladas & Parry
Application Number: 6/519,556
Type: Grant
Filed: Aug 2, 1983
Date of Patent: Apr 22, 1986
Inventor: Robert S. K. Li
Primary Examiner: Nelson C. Holtje
Law Firm: Ladas & Parry
Application Number: 6/519,556
Classifications