Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690475 | Volume measurement system and method for volume element counting | William B. Spillman, Jr. | 2004-02-10 |
| 6516661 | Volume measurement system and method for volume element counting | William B. Spillman, Jr. | 2003-02-11 |