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 7137711 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 21, 2006

Filed:

Mar. 21, 2000
Applicant:

Leonard Reiffel, Chicago, IL (US);

Inventor:

Leonard Reiffel, Chicago, IL (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The apparatus uses retro-reflected light, having a fixed component () and a variable component () varied by a person, from a retro reflector () connected to a person to input data (A) to an information system () and does this for each of several persons in the same time interval.


Find Patent Forward Citations

Reiffel, Leonard. (2006). Multi-user retro reflector data input (U.S. Patent No. 7137711). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7137711

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

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