Granted Patent
Utility
US 6,152,208 · App. 09/379,276
Flexible door with actuatable sealing mechanism
Inventors:
Walenty Kalempa, Christopher Genthe
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Aug 23, 1999
Inventors
Walenty Kalempa
Christopher Genthe
Assignee (at issue)
Rytec Corporation
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.