Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631305 | Capability analysis of assembly line production | — | 2003-10-07 |
| D309290 | Electric switch enclosure | David A. Hibbert | 1990-07-17 |
| D305327 | Enclosure for circuit protection related devices | David A. Hibbert | 1990-01-02 |
| 4794211 | Fused disconnect switch with non-metallic enclosure | David A. Hibbert | 1988-12-27 |
| 4755909 | Fused disconnect switch with non-metallic enclosure | David A. Hibbert | 1988-07-05 |
| 4717987 | Compact non-metallic load center enclosure | David A. Hibbert | 1988-01-05 |
| 4698727 | Compact non-metallic load center enclosure | David A. Hibbert | 1987-10-06 |
| 4688146 | Molded plastic enclosure for electric service apparatus | David A. Hibbert | 1987-08-18 |
| 4675782 | Molded plastic enclosure for disconnect switches | David A. Hibbert, James I. Smith, Timothy C. Brasel, Peter Wung | 1987-06-23 |