Granted Patent
Utility
US 4,848,460 · App. 07/267,257
Contained recovery of oily waste
Inventors:
Lyle A. Johnson, Jr., Bruce C. Sudduth
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Nov 4, 1988
Inventors
Lyle A. Johnson, Jr.
Bruce C. Sudduth
Assignee (at issue)
Western Research Institute, 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.