Granted Patent
Utility
US 4,730,596 · App. 06/915,461
Roll-type dressing unit
Inventors:
Horst E. Maack, Manfred M. Funke
Patented Case
View Patent ↗
Granted: Mar 15, 1988
Filed: Oct 6, 1986
Inventors
Horst E. Maack
Manfred M. Funke
Assignee (at issue)
Cincinnatti Milacron 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.