Granted Patent
Utility
US 5,203,760 · App. 07/884,736
Apparatus for adjustment of the spacing of film drive assemblies in a tubular film forming device
Inventors:
Kuo-Raid Grant Chen, Raymond H. Misner, Elbert P. Windham, Bernard D. Richardson
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: May 15, 1992
Inventors
Kuo-Raid Grant Chen
Raymond H. Misner
Elbert P. Windham
Bernard D. Richardson
Assignee (at issue)
Delaware Capital Formation, Inc.
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.