Granted Patent
Utility
US 4,692,292 · App. 06/813,667
Process for the manufacture of molded objects
Inventors:
Hans-Joachim Kollmeier, Helmut Lammerting
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Dec 26, 1985
Inventors
Hans-Joachim Kollmeier
Helmut Lammerting
Assignee (at issue)
Th. Goldschmidt. AG
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.