Granted Patent
Utility
US 5,731,036 · App. 08/786,823
Method for preserving wood
Inventors:
Robert D. Battershell, Barry M. Jacobson, Ann C. Abraham, Belinda M. Pereira, J. Vern Kempf
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Jan 21, 1997
Inventors
Robert D. Battershell
Barry M. Jacobson
Ann C. Abraham
Belinda M. Pereira
J. Vern Kempf
Assignee (at issue)
ISK Biosciences Corporation
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.