Granted Patent
Utility
US 6,244,849 · App. 09/277,057
Extruder die assembly
Inventors:
Albert J. BAILEY, Samwood M. Cafferata, Kirk Hanawalt, Martin A. Ronkin
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Mar 26, 1999
Inventors
Albert J. BAILEY
Samwood M. Cafferata
Kirk Hanawalt
Martin A. Ronkin
Assignee (at issue)
Entek Manufacturing LLC
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.