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:
Jul. 20, 1999
Filed:
Dec. 06, 1996
Applicant:
Inventor:
William M Ayers, Princeton, NJ (US);
Assignee:
Electron Tranfer Technologies, Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
205464 ; 204252 ; 204263 ; 117 99 ; 438935 ;
Abstract
Described are methods and apparatuses for the electrochemical generation and constant concentration delivery of high purity gases used in the production of semiconductors and the doping of semiconductors.