Granted Patent
Utility
US 4,517,042 · App. 06/609,776
Method and apparatus for decurling laminated stock
Inventor:
Karl Singer
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: May 14, 1984
Inventor
Karl Singer
Assignee (at issue)
D&K Custom Machine Design, 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.