|
| USD253940 | 27 avr. 1977 | 15 janv. 1980 | Westinghouse Electric Corp. | Elevator floor registration button |
| USD267870 | 2 févr. 1981 | 8 févr. 1983 | Otis Elevator Company | Control panel for elevator systems |
| USD268025 | 2 févr. 1981 | 22 févr. 1983 | Otis Elevator Company | Control panel for elevator systems |
| USD268026 | 2 févr. 1981 | 22 févr. 1983 | Otis Elevator Company | Control panel for elevator systems |
| USD268668 | 2 févr. 1981 | 19 avr. 1983 | Otis Elevator Company | Control panel for elevator systems |
| USD283686 | 3 déc. 1984 | 6 mai 1986 | Inventio AG | Hall indicator panel for elevators |
| USD340878 | 8 juil. 1992 | 2 nov. 1993 | MRD, Inc. | Combined annunciator and switching unit for hospital patients |
| USD503607 | 3 sept. 2003 | 5 avr. 2005 | VIP Investments, Ltd. | Faceplate |
| USD548049 | 13 févr. 2006 | 7 août 2007 | VIP Investments, Ltd. | Faceplate |