Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920417 | Fire-resistant building joint system | John C. Hulteen, George W. Frost, Robert E. Gestner, Richard J. Haffner | 2021-02-16 |
| 10899646 | Methods of separating and isolating water and other desired constituents from oilfield produced brines for reuse | — | 2021-01-26 |