Granted Patent
Utility
US 4,790,986 · App. 06/918,911
Method and apparatus to produce a hot fluidizing gas
Inventors:
Jonathan J. Kim, Viswanathan Venkateswaran, Randolph Kujawa
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Oct 15, 1986
Inventors
Jonathan J. Kim
Viswanathan Venkateswaran
Randolph Kujawa
Assignee (at issue)
Stemcor Corporation
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.