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. 14, 1999
Filed:
Feb. 18, 1998
Applicant:
Inventors:
Kenneth J Berk, Newton, MA (US);
Frederick M Berk, Brookline, MA (US);
Donald Berk, Newton, MA (US);
Assignee:
Pulpdent Corporation, , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
206 635 ; 206369 ; 206820 ; 220 234 ;
Abstract
An article of manufacture and a method of making same wherein a plurality of mixing wells is formed as a unitary sheet of individual mixing wells arranged in rows and columns. The boundary between each mixing well is scored, perforated, or otherwise made to allow individual pieces to be removed from the sheet. Preferably, the mixing wells may be pressure formed rather than being vacuum formed.