Granted Patent
Utility
US 4,938,821 · App. 07/089,197
Method and apparatus for manufacture of a diaper with elastic margins
Inventors:
J. Donald Soderlund, Richard H. Young, Sr., E. Peter Lancaster
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Aug 24, 1987
Inventors
J. Donald Soderlund
Richard H. Young, Sr.
E. Peter Lancaster
Assignee (at issue)
Weyerhaeuser NR 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.