Granted Patent
Utility
US 5,275,076 · App. 08/010,494
Steel rule die having improved rule holders
Inventor:
Curtis Greenwalt
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Jan 28, 1993
Inventor
Curtis Greenwalt
Assignee (at issue)
Atlas Die, LLC
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.