Granted Patent
Utility
US 4,607,568 · App. 06/763,115
Extensible line brattice
Inventors:
George Roland Hill, Larry C. Jordan
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Aug 7, 1985
Inventors
George Roland Hill
Larry C. Jordan
Assignee (at issue)
Jim Walter Resources, 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.