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:
Oct. 30, 1990
Filed:
Jul. 20, 1988
Applicant:
Inventors:
Achim Gang, Stuttgart, DE;
Martin Schraag, Sindelfingen, DE;
Gunter Blendinger, Summerville, SC (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
12866107 ; 128775 ;
Abstract
A transducer for extra-uterine monitoring of fetal heart rate and labor activity comprises a casing the lower portion of which carries ultrasound crystals. Additional crystals are carried by a movable base plate which is connected with tension-measuring means.