Granted Patent
Utility
US 6,532,877 · App. 10/051,787
Railroad car roof panel and skylight assembly
Inventors:
Christopher D. Hepburn, Peter R. Manyek, Richard W. Rentschler
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Jan 22, 2002
Inventors
Christopher D. Hepburn
Peter R. Manyek
Richard W. Rentschler
Assignee (at issue)
Stanrail 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.