Granted Patent
Utility
US 6,709,867 · App. 10/044,300
Transgenic turfgrasses which signal exposure to chemicals and stress conditions
Inventor:
Erich Grotewold
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Oct 26, 2001
Inventor
Erich Grotewold
Assignee (at issue)
The Ohio State University Research Foundation
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.