Granted Patent
Utility
US 5,687,838 · App. 08/665,658
Carrier
Inventor:
Martinus C. M. Bakx
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Jun 18, 1996
Inventor
Martinus C. M. Bakx
Assignee (at issue)
The Mead Corporation
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.