Granted Patent
Utility
US 5,393,501 · App. 08/135,917
Material remediation in multi-function heating drum
Inventors:
Lawrence G. Clawson, Joseph E. Musil
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Oct 13, 1993
Inventors
Lawrence G. Clawson
Joseph E. Musil
Assignee (at issue)
Cedarapids, 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.