Granted Patent
Utility
US 4,584,936 · App. 06/680,485
Belt press frame
Inventors:
Robert E. Crandall, Roger B. Nickolaus
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Dec 11, 1984
Inventors
Robert E. Crandall
Roger B. Nickolaus
Assignee (at issue)
REXNORD 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.