The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 1977

Filed:

Apr. 08, 1975
Applicant:
Inventors:

Peter D Dickinson, Monte Sereno, CA (US);

Thomas E Osborne, San Francisco, CA (US);

France Rode, Los Altos, CA (US);

Allen J Baum, Los Altos, CA (US);

David S Cochran, Palo Alto, CA (US);

Chung C Tung, Santa Clara, CA (US);

Assignee:

Hewlett-Packard Company, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
235156 ;
Abstract

The battery powered hand-held calculator for performing the arithmetic, trigonometric and logarithmic functions disclosed herein includes a factorial function which conveniently calculates factorials of positive integers.


Find Patent Forward Citations

Dickinson, Peter. (1977). General purpose calculator having factorial capability (U.S. Patent No. 4047012). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4047012

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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