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. 25, 2008
Filed:
Mar. 03, 2006
Applicants:
Christopher John A. Purcell, Dartmouth, CA;
Richard A. Fleming, Dartmouth, CA;
Inventors:
Christopher John A. Purcell, Dartmouth, CA;
Richard A. Fleming, Dartmouth, CA;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An acoustic projector with a thin walled shell extending between flanges having helicoidal corrugations extending between the flanges. A shear mode motor is coupled to the thin walled shell to provide a torque to the thin walled shell.