Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1061227 | Tie standoff | David O. Keith, Kevin M. Christensen, Christopher C. Rhoades | 2025-02-11 |
| D968199 | Tie standoff | David O. Keith, Kevin M. Christensen, Christopher C. Rhoades | 2022-11-01 |
| 10870988 | Tie for composite wall system fitting between insulation sheets | David O. Keith, Sidney E. Francies, III | 2020-12-22 |
| D887258 | Composite action tie | David O. Keith, Sidney E. Francies, III | 2020-06-16 |
| D856121 | Composite action tie | David O. Keith, Sidney E. Francies, III | 2019-08-13 |
| D856122 | Tie | David O. Keith | 2019-08-13 |
| 10000928 | Tie for composite wall system that is both screwable and axially pushable | David O. Keith | 2018-06-19 |
| D804288 | Tie for composite wall | David O. Keith | 2017-12-05 |
| D764266 | Composite action tie | David O. Keith | 2016-08-23 |