Granted Patent
Utility
US 6,042,260 · App. 09/043,954
Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense
Inventors:
Peter Heidemeyer, Erwin Haring, Rainer Munz, Rainer Herter, Ulrich Burkhardt
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Mar 27, 1998
Inventors
Peter Heidemeyer
Erwin Haring
Rainer Munz
Rainer Herter
Ulrich Burkhardt
Assignee (at issue)
Krupp, Werner & Pfeiderer GmbH
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.