Granted Patent
Utility
US 5,174,653 · App. 07/769,084
Serial connectors for motionless mixers
Inventors:
Joseph M. Halat, Peter Gruendeman
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Sep 30, 1991
Inventors
Joseph M. Halat
Peter Gruendeman
Assignee (at issue)
Tah Industries, 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.