Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040859 | Frameless elevator counterweight | Pieter Van Lieu | 2021-06-22 |
| 10647546 | Hydraulically activated shutoff valve for a hydraulic elevator system | James O'Neal Creel, Jr. | 2020-05-12 |
| 9967234 | Miniaturized real time pseudo-cross domain data communication system with air gapped full motion video device and method | Bradford James Crane | 2018-05-08 |