Granted Patent
Utility
US 4,795,513 · App. 06/923,421
Method and apparatus for producing a laminated composite material having perforated inner layer
Inventor:
James W. Jensen
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Oct 27, 1986
Inventor
James W. Jensen
Assignee (at issue)
Adolph Coors 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.