Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D701510 | Stand for planar article | — | 2014-03-25 |
| D438393 | Seat for use in row seating | — | 2001-03-06 |
| 5577350 | Auditorium | Felim McCaffrey, Peter Sheffield | 1996-11-26 |
| 5070659 | Retractable roof for stadium structure | Felim McCaffrey, Peter Sheffield | 1991-12-10 |
| 4995203 | Retractable roof for stadium structure | Felim McCaffrey, Peter Sheffield | 1991-02-26 |