Granted Patent
Utility
US 5,983,813 · App. 08/964,211
Seeding material spreader and optional adjustment means
Inventors:
Gerry S. Swab, James W. Henry, Murray H. Wood
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Nov 5, 1997
Inventors
Gerry S. Swab
James W. Henry
Murray H. Wood
Assignee (at issue)
Flexi-Coil Ltd.
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.