Granted Patent
Utility
US 5,338,918 · App. 07/987,936
Heat generator assembly in a material processing apparatus
Inventor:
Roger D. Eshleman
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Dec 9, 1992
Inventor
Roger D. Eshleman
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.