Granted Patent
Utility
US 5,899,239 · App. 08/593,411
Tubular fencing components formed from plastic sheet material
Inventor:
Mark Lawrence Coulis
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Jan 29, 1996
Inventor
Mark Lawrence Coulis
Assignee (at issue)
MATERION 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.