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. 28, 1995
Filed:
Jan. 05, 1994
Applicant:
Inventors:
Bruce L Booth, West Chester, PA (US);
Joseph E Marchegiano, Landenberg, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
385130 ; 385 14 ; 385 15 ; 385 31 ; 385 37 ; 385 39 ; 385 45 ; 385 49 ; 385 50 ; 385129 ; 385131 ; 385132 ; 385141 ; 385143 ; 385145 ;
Abstract
Optical waveguide devices for interconnecting optical fibers and use in integrated optical systems. The invention includes a substantially dry method for making the devices and intermediate elements.