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:
Nov. 23, 2010
Filed:
Dec. 14, 2007
Applicants:
Marc Pelzer, Baar, CH;
Stefan Janzen, Wetter/Ruhr, DE;
Inventors:
Marc Pelzer, Baar, CH;
Stefan Janzen, Wetter/Ruhr, DE;
Assignee:
Pelzer Acoustic Products, LLC, Thomson, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a microperforated metal foil and to a process for the preparation thereof which is characterized in that a self-supporting metal foil is perforated with a needle-punching machine.