Granted Patent
Utility
US 5,585,418 · App. 08/490,670
Greenhouse film having variable light diffusion properties
Inventor:
Harry H. Nagata
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Jun 15, 1995
Inventor
Harry H. Nagata
Assignee (at issue)
AT Plastics Inc
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.