Granted Patent
Utility
US 4,097,020 · App. 05/793,925
Plant-watering device
Inventor:
Howard Sussman
Patented Case
View Patent ↗
Granted: Jun 27, 1978
Filed: May 5, 1977
Inventor
Howard Sussman
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.