Granted Patent
Utility
US 5,801,210 · App. 08/960,493
Method and apparatus for the production of essentially void free foams
Inventors:
David A. Radovich, David D. Steppan, Keith G. Spitler, James D. Shoup
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Oct 29, 1997
Inventors
David A. Radovich
David D. Steppan
Keith G. Spitler
James D. Shoup
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.