Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4464719 | Off-line method of depicting piping items of pipe specification files of a computer-aided graphics system, without duplications occurring | — | 1984-08-07 |
| 4353117 | Method of diagnosing errors off-line in pipe specification files of a computer-aided graphics system | — | 1982-10-05 |