Granted Patent
Utility
US 5,909,798 · App. 08/781,808
Unit product loading and discharge system
Inventors:
Robert L. Shaver, Alfred J. Kafka, Matthew Carey
Patented Case
View Patent ↗
Granted: Jun 8, 1999
Filed: Jan 10, 1997
Inventors
Robert L. Shaver
Alfred J. Kafka
Matthew Carey
Assignee (at issue)
JERVIS B. WEBB COMPANY
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.