Granted Patent
Utility
US 5,928,751 · App. 09/112,931
Drip berm
Inventors:
Glenn P. Van Romer, Kurt W. Johnson
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Jul 9, 1998
Inventors
Glenn P. Van Romer
Kurt W. Johnson
Assignee (at issue)
BASIC CONCEPTS, 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.