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.:
Date of Patent:
Dec. 01, 1992
Filed:
Sep. 19, 1990
Applicant:
Inventors:
David M Butler, Stevensville, MD (US);
Harold B Kirkpatrick, Baltimore, MD (US);
John H Staehlin, Lutherville, MD (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01N / ; B01N / ;
U.S. Cl.
CPC ...
73 6443 ; 356 39 ; 436 69 ; 422 73 ;
Abstract
A method and apparatus for detection of blood coagulation using infrared electromagnetic transmission changes through a sample from a source of infrared energy to suitable detection electronics producing a peak signal representative of the clotting time.