Granted Patent
Utility
US 4,355,765 · App. 06/142,968
Web granulator with nip rollers having hooking members
Inventors:
Frank Parker, Leslie M. Parker
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Apr 23, 1980
Inventors
Frank Parker
Leslie M. Parker
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.