Granted Patent
Utility
US 5,597,092 · App. 08/372,579
Collapsible drop spreader
Inventor:
Paul M. Havlovitz
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Jan 13, 1995
Inventor
Paul M. Havlovitz
Assignee (at issue)
Republic Tool & Mfg. Corp.
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.