Granted Patent
Utility
US 4,615,460 · App. 06/770,040
Anti-contamination covers for structure openings
Inventors:
Ronald I. Buccellato, Wayne T. Card, Duane M. Foote, Cinda B. Lewis, Peter A. Soland, Brian Stevens, Philip C. Widmann
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Aug 28, 1985
Inventors
Ronald I. Buccellato
Wayne T. Card
Duane M. Foote
Cinda B. Lewis
Peter A. Soland
Brian Stevens
Philip C. Widmann
Assignee (at issue)
General Dynamics Corporation, Convair Division
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.