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Method of marking a substrate using an electret stencil    
United States Patent6805048   
Link to this pagehttp://www.wikipatents.com/6805048.html
Inventor(s)Pearson; Scott D. (Woodbury, MN); Bharti; Vivek (Cottage Grove, MN)
AbstractA stencil comprises an electret film, wherein the film has at least one perforation having a perimeter that defines an area, and wherein the area is greater than or equal to about one square centimeter. Methods of marking a substrate using stencils of the present invention are also disclosed.
   














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Inventor     Pearson; Scott D. (Woodbury, MN); Bharti; Vivek (Cottage Grove, MN)
Owner/Assignee     3M Innovative Properties Company (St. Paul, MN)
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Publication Date     October 19, 2004
Application Number     10/231,567
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     August 30, 2002
US Classification     101/129 101/41 101/114
Int'l Classification     B41M 001/12 B41L 013/12
Examiner     Evanisko; Leslie J.
Assistant Examiner    
Attorney/Law Firm     Wright; Bradford B.
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Priority Data    
USPTO Field of Search     101/41 101/483 101/368 101/401.1 101/114 101/127 101/129 101/35
Patent Tags     marking substrate electret stencil
   
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