Granted Patent
Utility
US 5,772,847 · App. 08/547,508
Method for forming pulp from processed recycled fibers
Inventors:
Carl W. Simpson, Raymond K. F. Lam
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Oct 24, 1995
Inventors
Carl W. Simpson
Raymond K. F. Lam
Assignee (at issue)
Stone-Consolidated (US) 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.