Portable electronic calculator
Latest Sekisui Kagaku Kogyo K.K. Patents:
Description
FIG. 1 is a top plan view of a portable electronic calculator showing my new design;
FIG. 2 is a bottom plan view;
FIG. 3 is a rear elevational view;
FIG. 4 is a front elevational view;
FIG. 5 is a left side elevational view;
FIG. 6 is a right side elevational view.
Referenced Cited
Patent History
Patent number: D318287
Type: Grant
Filed: Oct 16, 1989
Date of Patent: Jul 16, 1991
Assignee: Sekisui Kagaku Kogyo K.K. (Osaka)
Inventor: Shiro Tsukamoto (Osaka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/422,375
Type: Grant
Filed: Oct 16, 1989
Date of Patent: Jul 16, 1991
Assignee: Sekisui Kagaku Kogyo K.K. (Osaka)
Inventor: Shiro Tsukamoto (Osaka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Application Number: 7/422,375
Classifications
Current U.S. Class:
With Keyboard (D18/7)