Granted Patent
Utility
US 5,083,327 · App. 07/566,146
Portable swimming pool
Inventor:
Hendrik C. Gillebaard
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Aug 9, 1990
Inventor
Hendrik C. Gillebaard
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.