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:
Aug. 13, 1996
Filed:
May. 01, 1991
Applicant:
Inventor:
David R Mushabac, Brooklyn, NY (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61C / ; A61C / ;
U.S. Cl.
CPC ...
433215 ; 433218 ;
Abstract
A tooth preparation or dental restoration modification apparatus comprises a material removal device for removing material from an object such as a tooth or dental restoration form, a guide element operatively connected to the material removal device for enabling a guiding of the material removal device under the control of an operator, and a light projector for projecting a visible point of light onto a predetermined location on the object, thereby serving as an indicator to the operator that material is to be removed from the object at the location.