Granted Patent
Utility
US 5,395,215 · App. 08/280,469
Supports for rotatable housing of liquid ring pumps
Inventors:
Thomas R. Dardis, Christopher Boczer
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: Jul 26, 1994
Inventors
Thomas R. Dardis
Christopher Boczer
Assignee (at issue)
The Nash Engineering Company
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.