Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334556 | Lead-based alloy and related processes and products | R. David Prengaman, Timothy W. Ellis | 2025-06-17 |
| 11962008 | Lead-based alloy and related processes and products | R. David Prengaman, Timothy W. Ellis | 2024-04-16 |
| 11522190 | Lead-based alloy and related processes and products | R. David Prengaman, Timothy W. Ellis | 2022-12-06 |
| 10950859 | Lead-based alloy and related processes and products | R. David Prengaman, Timothy W. Ellis | 2021-03-16 |
| 10511022 | Lead-based alloy and related processes and products | R. David Prengaman, Timothy W. Ellis | 2019-12-17 |