Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584807 | Extraction of ductile pipe | Robert F. Crane, Mark D. Randa | 2020-03-10 |
| 10550989 | Latch assembly for use with an inversion drum | Craig Lawrence Noggle, Robert F. Crane, Mark D. Randa | 2020-02-04 |