Granted Patent
Utility
US 5,988,947 · App. 08/964,459
Multi-section soil remediation device
Inventor:
Bruce L. Bruso
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 4, 1997
Inventor
Bruce L. Bruso
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.