Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12202706 | Glass elevator innovations | Susan M. Siegmann, Joseph Harlan Marshall, Jesse Scott Duncan | 2025-01-21 |
| D1039236 | Unitary elevator car floor | — | 2024-08-13 |
| 11919743 | Glass elevator innovations | Susan M. Siegmann, Joseph Harlan Marshall, Jesse Scott Duncan | 2024-03-05 |
| 11780710 | Elevator door interlock assembly | Susan M. Siegmann, Joseph Harlan Marshall, Jesse Scott Duncan | 2023-10-10 |
| 7511626 | Residential elevator with automatic pet door for detection and logic component for operation | Susan M. Siegmann, Jeffrey Zehler | 2009-03-31 |