Granted Patent
Utility
US 4,352,653 · App. 06/216,859
Clamping device for molds used in the blow molding of hollow plastic articles
Inventors:
Lothar Ott, Dieter Gessner
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Dec 16, 1980
Inventors
Lothar Ott
Dieter Gessner
Assignee (at issue)
tpT Machinery 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.