Granted Patent
Utility
US 6,316,249 · App. 09/305,455
Composition, method and apparatus for safe disposal of oil contaminated filter media
Inventors:
William M. Lasky, James H. Cornwell
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: May 6, 1999
Inventors
William M. Lasky
James H. Cornwell
Assignee (at issue)
DANA 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.