Granted Patent
Utility
US 6,698,461 · App. 10/032,367
Hazardous materials transfer system and method
Inventors:
Avron I. Bryan, Robert D. Husband, Larry D. Heller
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Dec 18, 2001
Inventors
Avron I. Bryan
Robert D. Husband
Larry D. Heller
Assignee (at issue)
ADAPCO, 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.