Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7033116 | Post-tensioned rammed earth construction | Thomas T. Ward | 2006-04-25 |
| 5819470 | Turnstile with readily accessible head compartment | Joseph A. Kionecka, deceased, Marilyn J. Evasovic | 1998-10-13 |