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. 19, 1989
Filed:
Mar. 10, 1989
Mark D Berry, Columbia, MD (US);
Henry C Brisker, Montgomery County, MD (US);
Andrew A Cuneo, Jr, Towson, MD (US);
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Abstract
A portable seam resistance measuring apparatus having a housing with one or more flat exterior surfaces, a number of apertures, an indicator at the midpoint of the flat surface, two or more current injection probes, two or more voltage injection probes, a mechanical bias on the probes, a number of connectors, an electrical current through two probes and voltage measurement through two probes is disclosed. The device is used to measure the voltage drop across the seam of a wall enabling the resistance of the seam to be calculated.