Computer keyboard mounted calculator with attachment for spiral notebook
Description
FIG. 1 is a front and right side perspective view; and,
FIG. 2 is a rear and left side perspective view.
Referenced Cited
U.S. Patent Documents
Other references
| D218785 | September 1970 | Gore |
| D238788 | February 1976 | Goldsamt |
- Hong Kong Enterprise, Sep. 1984; p. 33; #5016.
Patent History
Patent number: D350559
Type: Grant
Filed: Dec 14, 1992
Date of Patent: Sep 13, 1994
Inventor: Lucille E. Lassberg (Houston, TX)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Caron D. Veynar
Application Number: 0/2,618
Type: Grant
Filed: Dec 14, 1992
Date of Patent: Sep 13, 1994
Inventor: Lucille E. Lassberg (Houston, TX)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Caron D. Veynar
Application Number: 0/2,618
Classifications
