Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D797588 | Metal hardness test block with targets spaced from alphanumeric grid lines | — | 2017-09-19 |
| D790378 | Metal hardness test block with circular targets connected by alphanumeric grid lines | — | 2017-06-27 |
| D789816 | Metal hardness test block with alphanumeric grid and circular targets with cross hairs | — | 2017-06-20 |