Granted Patent
Utility
US 5,582,846 · App. 08/220,277
Apparatus for forming compressible material into discrete solid blocks
Inventors:
Donnell Cooper, Bobby L. Starling
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Mar 30, 1994
Inventors
Donnell Cooper
Bobby L. Starling
Assignee (at issue)
Pneumafil 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.