Granted Patent
Utility
US 4,704,183 · App. 06/863,078
Overlay applying press
Inventor:
Helmut Sigerist
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: May 14, 1986
Inventor
Helmut Sigerist
Assignee (at issue)
Venturetech Enterprises, 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.