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:
Aug. 12, 2008
Filed:
Mar. 06, 2003
Stanley C. Erickson, Scandia, MN (US);
James C. Breister, Oakdale, MN (US);
Gregory H. Van Erem, Stillwater, MN (US);
David W. Meitz, St. Paul, MN (US);
Stephen W. Mohn, St. Paul, MN (US);
Paul Deroussel, Hudson, WI (US);
Stanley C. Erickson, Scandia, MN (US);
James C. Breister, Oakdale, MN (US);
Gregory H. Van Erem, Stillwater, MN (US);
David W. Meitz, St. Paul, MN (US);
Stephen W. Mohn, St. Paul, MN (US);
Paul DeRoussel, Hudson, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus.