Granted Patent
Utility
US 5,674,939 · App. 08/557,359
ABS moulding compounds with novel morphology
Inventors:
Herbert Eichenauer, Adolf Schmidt, Edgar Leitz, Karl-Erwin Piejko
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Nov 13, 1995
Inventors
Herbert Eichenauer
Adolf Schmidt
Edgar Leitz
Karl-Erwin Piejko
Assignee (at issue)
Bayer Aktiengesellschaft
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.