Granted Patent
Utility
US 5,372,176 · App. 08/216,770
Method and apparatus for producing housing having a cast-in-place insert using lost foam process
Inventors:
Peter W. A. Brown, Russell J. VanRens
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Mar 23, 1994
Inventors
Peter W. A. Brown
Russell J. VanRens
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.