Granted Patent
Utility
US 3,949,343 · App. 05/168,716
Grounded surface distribution apparatus
Inventor:
Edward H. Yonkers
Patented Case
View Patent ↗
Granted: Apr 6, 1976
Filed: Aug 3, 1971
Inventor
Edward H. Yonkers
Assignee (at issue)
Joslyn Mfg. and Supply Co.
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.