Granted Patent
Utility
US 5,010,818 · App. 07/437,877
Tensionless plate lock-up
Inventor:
Alan R. Wallschlaeger, Sr.
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: Nov 17, 1989
Inventor
Alan R. Wallschlaeger, Sr.
Assignee (at issue)
Rockwell International 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.