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:
Aug. 25, 1987

Filed:

Mar. 24, 1986
Applicant:
Inventors:

Arthur V Stiffey, Slidell, LA (US);

David L Blank, Arlington, VA (US);

George I Loeb, Bethesda, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M / ;
U.S. Cl.
CPC ...
435291 ; 435808 ; 422 52 ; 2503 / ;
Abstract

A stable, inexpensive and easily constructed photometer consisting of a cercial intergrated photodetection assembly, complementary solid-state operational amplifiers and a solid-state power supply for use in the detection and quantification of low level light emissions from bioluminescence organisms and for the detection of the absence of bioluminescence. Means are provided for controlling the sensitivity of the system as well as providing for direct readout or intergration of the detected signals where they are intermittent.


Find Patent Forward Citations

Stiffey, Arthur. (1987). Solid-state photometer circuit (U.S. Patent No. 4689305). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4689305

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

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