Granted Patent
Utility
US 5,484,557 · App. 08/131,714
Method of and apparatus for the cooling of extruded plastic profiles or sections
Inventor:
Hans Groeblacher
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Oct 5, 1993
Inventor
Hans Groeblacher
Assignee (at issue)
Mikron Industries, Inc.
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.