Granted Patent
Utility
US 6,461,467 · App. 09/840,405
Medical dressings with multiple adhesives and methods of manufacturing
Inventors:
Todd Blatchford, Steven B. Heinecke, Donald H. Lucast, Donald G. Peterson
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Apr 23, 2001
Inventors
Todd Blatchford
Steven B. Heinecke
Donald H. Lucast
Donald G. Peterson
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.