Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008765 | Self-stripping corner form | James J. Johnson, Andrew Gray, Robert McCracken | 2021-05-18 |
| 10914083 | Wall-climbing concrete form lifting system | James J. Johnson, Andrew Gray, Robert McCracken | 2021-02-09 |