Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343884 | Self-closing gate valve system and external self-closing actuator mechanism therefor | Tom Henderson | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343884 | Self-closing gate valve system and external self-closing actuator mechanism therefor | Tom Henderson | 1994-09-06 |