Granted Patent
Utility
US 5,246,592 · App. 07/882,807
Method and apparatus for recovering oil from the surface of a body of water
Inventors:
Richard W. Schweizer, Kantilal P. Patel
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: May 14, 1992
Inventors
Richard W. Schweizer
Kantilal P. Patel
Assignee (at issue)
ACS Industries, 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.