Granted Patent
Utility
US 3,973,665 · App. 05/556,207
Article delivery and transport apparatus for evacuated processing equipment
Inventor:
Rosario P. Giammanco
Patented Case
View Patent ↗
Granted: Aug 10, 1976
Filed: Mar 7, 1975
Inventor
Rosario P. Giammanco
Assignee (at issue)
GCA Corporation
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.