Granted Patent
Utility
US 4,895,690 · App. 07/313,522
Method for casting colored details
Inventors:
Wayne D. LaRoche, John Dixon Gray
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Feb 22, 1989
Inventors
Wayne D. LaRoche
John Dixon Gray
Assignee (at issue)
Davidson Textron, INC
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.