Granted Patent
Utility
US 5,501,248 · App. 08/264,503
Expandable pipe liner and method of installing same
Inventor:
Larry W. Kiest, Jr.
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jun 23, 1994
Inventor
Larry W. Kiest, Jr.
Assignee (at issue)
LMK Enterprises, Inc.
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.