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:
Mar. 20, 1990
Filed:
Feb. 23, 1989
Applicant:
Inventors:
Nathan N Haese, Walnut Creek, CA (US);
David R Pedersen, Clayton, CA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9629 ; 350 9615 ;
Abstract
The invention is a durable, zero-based optical coupler pressure/load sensor which is immune from electromagnetic interference.
Haese, Nathan. (1990). Optical coupler pressure or load sensor (U.S. Patent No. 4909594). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4909594
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile