Granted Patent
Utility
US 4,789,698 · App. 07/023,726
Flame-proof, glass fibre-reinforced polyamide moulding materials
Inventors:
Heinz Bonten, Werner Nielinger, Dietrich Michael, Harald Selbeck, Rolf-Volker Meyer
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Mar 9, 1987
Inventors
Heinz Bonten
Werner Nielinger
Dietrich Michael
Harald Selbeck
Rolf-Volker Meyer
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.