Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401946 | Composite battery stand with integral spill containment | Subhas Chandra Chalasani, Keith Bruce Kelley, Roy Kuipers, K. A. Murugesamoorthi | 2002-06-11 |
| 5031372 | Modular frame assembly for mounting glass blocks | — | 1991-07-16 |