Granted Patent
Utility
US 6,131,368 · App. 09/056,305
Method for packaging adsorbents
Inventors:
Walter G. Tramposch, Mick Greenback
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Apr 7, 1998
Inventors
Walter G. Tramposch
Mick Greenback
Assignee (at issue)
CALGON CARBON CORPORATION
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.