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. 12, 2005
Filed:
May. 28, 2002
Jeffery N. Jackson, Woodbury, MN (US);
William Ward Merrill, White Bear Lake, MN (US);
Andrew T. Ruff, Mendota Heights, MN (US);
Desiree L. Thompson, Prescott, WI (US);
Dennis L. Krueger, Hudson, WI (US);
Jeffery N. Jackson, Woodbury, MN (US);
William Ward Merrill, White Bear Lake, MN (US);
Andrew T. Ruff, Mendota Heights, MN (US);
Desiree L. Thompson, Prescott, WI (US);
Dennis L. Krueger, Hudson, WI (US);
3M Innovative Properties Company, Saint Paul, MN (US);
Abstract
A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects of the invention include a roll of stretched film and an apparatus for stretching films.