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:
Apr. 20, 1993
Filed:
Jul. 29, 1991
Applicant:
Inventor:
Donald I Gonser, Lancaster, PA (US);
Assignee:
Den-Tal-Ez, Inc., Valley Forge, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ; A61C / ;
U.S. Cl.
CPC ...
433 29 ;
Abstract
The light transmissibility of a fiber-optic bundle such as contained in a medical/dental instrument is maintained by the application to the polished and ground end surfaces of the bundle of a thin, substantially-transparent, heat-resistant, hydrophobic compound such as a silicone oil or grease.