Granted Patent
Utility
US 6,833,429 · App. 10/089,709
Thermoformable polyamides
Inventors:
Dirk Pophusen, Detlev Joachimi, Jurgen Rohner
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Apr 1, 2002
Inventors
Dirk Pophusen
Detlev Joachimi
Jurgen Rohner
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.