Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6857235 | Protective cover for reinforcing bar | David A. Niday, Edward B. Sorauf, Dale Haslem, Keith E. Keller, Harry B. Lancelot, III | 2005-02-22 |
| 6755385 | Concrete void former and cooperating cover | Harry B. Lancelot, III, Sidney E. Francies, III | 2004-06-29 |
| 6460824 | Concrete void former and cooperating cover | Harry B. Lancelot, III, Sidney E. Francies, III | 2002-10-08 |