Granted Patent
Utility
US 4,828,778 · App. 06/738,804
Method for continuous injection molding
Inventors:
Lawrence J. Gelsomini, William R. Mueller
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: May 29, 1985
Inventors
Lawrence J. Gelsomini
William R. Mueller
Assignee (at issue)
Monsanto Company
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.