Granted Patent
Utility
US 5,519,964 · App. 08/338,868
Composite plastic film and greenhouse built therewith
Inventors:
Masami Kujirai, Yumiko Kujirai, Yukio Kujirai
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Nov 14, 1994
Inventors
Masami Kujirai
Yumiko Kujirai
Yukio Kujirai
Assignee (at issue)
Kabushiki Kaisha Sekuto Kagaku
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.