Granted Patent
Utility
US 4,937,490 · App. 07/286,127
High intensity radiation apparatus and fluid recirculating system therefor
Inventors:
David Malcolm Camm, Arne Kjorvel, Anthony J. Housden, Nicholas P. Halpin, Dean Parfeniuk, Andy J. Frenz
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Dec 19, 1988
Inventors
David Malcolm Camm
Arne Kjorvel
Anthony J. Housden
Nicholas P. Halpin
Dean Parfeniuk
Andy J. Frenz
Assignee (at issue)
Vortek Industries Ltd.
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.