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:
Sep. 18, 2012
Filed:
Aug. 25, 2009
Applicants:
John R. Bradley, Clarkston, MI (US);
Paul E. Krajewski, Troy, MI (US);
Yang T. Cheng, Troy, MI (US);
Inventors:
John R. Bradley, Clarkston, MI (US);
Paul E. Krajewski, Troy, MI (US);
Yang T. Cheng, Troy, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/14 (2006.01); B21J 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Electromagnetic forming methods suitable for creating surface features on a shape memory alloy are described. Features may be created over a range of scales, including those suitable for the generation of holographic images. Features, images, or patterns may be made capable of reversibly appearing and disappearing as a result of changes in temperature and may include temperature sensitive displays for automotive and other applications.