Granted Patent
Utility
US 6,096,383 · App. 09/300,921
Curing of floor coatings using long and short wave ultraviolet radiation
Inventors:
David W. Berg, Bruce F. Field, Norman William Gill, Joseph S. Keute, Deone E. Johnson, Earl Krueger
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Apr 28, 1999
Inventors
David W. Berg
Bruce F. Field
Norman William Gill
Joseph S. Keute
Deone E. Johnson
Earl Krueger
Assignee (at issue)
TENNANT COMPANY
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.