Granted Patent
Utility
US 5,294,065 · App. 08/011,324
Portable screening/dosing/mixing plant
Inventors:
Timothy O. Harms, Daryl P. Jones, Richard D. Maska, Mark D. Mulloy
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Jan 29, 1993
Inventors
Timothy O. Harms
Daryl P. Jones
Richard D. Maska
Mark D. Mulloy
Assignee (at issue)
Portec, 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.