Granted Patent
Utility
US 5,249,902 · App. 07/903,917
Loose-leaf binder assembly process and apparatus
Inventor:
Casimir J. Stankiewicz
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jun 25, 1992
Inventor
Casimir J. Stankiewicz
Assignee (at issue)
The Holson Burnes Company
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.