PS

Peter Sheffield

Overall (All Time): #1,649,091 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5577350 Auditorium Brian Brisbin, Felim McCaffrey 1996-11-26
5070659 Retractable roof for stadium structure Brian Brisbin, Felim McCaffrey 1991-12-10
4995203 Retractable roof for stadium structure Brian Brisbin, Felim McCaffrey 1991-02-26