Granted Patent
Utility
US 4,685,852 · App. 06/735,863
Process apparatus and method and elevator mechanism for use in connection therewith
Inventors:
Richard Rubin, Gary Hillman, Lewis E. Zarr, William K. Hayes
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: May 20, 1985
Inventors
Richard Rubin
Gary Hillman
Lewis E. Zarr
William K. Hayes
Assignee (at issue)
Vaccine Technology Limited
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.