Granted Patent
Utility
US 6,402,853 · App. 09/678,385
Method and apparatus for removing plastic residue
Inventor:
J. Drake Carlisle
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Oct 3, 2000
Inventor
J. Drake Carlisle
Assignee (at issue)
SPN Tech LLC
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.