Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9697701 | Foot actuated doorbell button assembly | — | 2017-07-04 |
| 9670767 | Apparatus, system and methods for alerting of abnormal drilling conditions | Carlos A. Hernandez, Ray E. Johnston, Kelli M. Rettew, Janice S. Mathew, Steven J. Shipula | 2017-06-06 |