Granted Patent
Utility
US 6,479,558 · App. 09/542,744
Microbial processing of used rubber
Inventor:
Carl B. Fliermans
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Apr 4, 2000
Inventor
Carl B. Fliermans
Assignee (at issue)
Westinghouse Savannah River 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.