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.

Patent No.:

US 7457636 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 25, 2008

Filed:

Aug. 14, 2002
Applicants:

Chase R. Kroll, Simi Valley, CA (US);

Mark W. Kroll, Simi Valley, CA (US);

Inventors:

Chase R. Kroll, Simi Valley, CA (US);

Mark W. Kroll, Simi Valley, CA (US);

Assignee:

Kroll Family Trust, Simi Valley, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention teaches an economical disposable emergency cellular telephone. A major object of this invention is a cellular telephone providing a self-defense capability to a user by generating high voltage shocks. A further object of the invention is a new technique for having a large number of cellular phones share the same small group of access numbers and serial numbers in order to reduce the monthly charges to zero for the end consumer. This makes it more practical to use cellular phones for data transmission and monitoring applications.


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Kroll, Chase. (2008). Self defense cellular telephone (U.S. Patent No. 7457636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7457636

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