Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252045 | Dual piston reciprocating vacuum pump | Hiroshi Shinoto | 1993-10-12 |
| 4954047 | Evacuation apparatus | Shiuichi Goto, Tsugio Enomoto | 1990-09-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252045 | Dual piston reciprocating vacuum pump | Hiroshi Shinoto | 1993-10-12 |
| 4954047 | Evacuation apparatus | Shiuichi Goto, Tsugio Enomoto | 1990-09-04 |