Granted Patent
Utility
US 4,788,930 · App. 07/112,445
Weigh bridge for variable inclination conveyor
Inventors:
Luc Matteau, Ralph D. Closs
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Oct 26, 1987
Inventors
Luc Matteau
Ralph D. Closs
Assignee (at issue)
Canadian Corporate Management Company Limited
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.