Granted Patent
Utility
US 6,601,787 · App. 09/655,032
Method and an apparatus for managing contaminated material
Inventor:
Bertwin Langenecker
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Sep 3, 2000
Inventor
Bertwin Langenecker
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.