Granted Patent
Utility
US 4,235,579 · App. 05/904,734
Synthetic plastics article manufacturing system
Inventors:
John H. Kurz, Edward E. Batson
Patented Case
View Patent ↗
Granted: Nov 25, 1980
Filed: May 11, 1978
Inventors
John H. Kurz
Edward E. Batson
Assignee (at issue)
Leesona 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.