Granted Patent
Utility
US 4,577,898 · App. 06/619,819
Gripper apparatus
Inventors:
Kay T. Nusbaumer, Bruce D. McIntosh
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Jun 12, 1984
Inventors
Kay T. Nusbaumer
Bruce D. McIntosh
Assignee (at issue)
PHD, Inc.
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.