Granted Patent
Utility
US 5,017,629 · App. 07/332,267
Moldable low density thermoplastic composite with hollow glass spheres and the method for compounding
Inventors:
Gary F. Wilson, Yona Eckstein
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Mar 31, 1989
Inventors
Gary F. Wilson
Yona Eckstein
Assignee (at issue)
B. F. Goodrich 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.