Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638589 | Shoelace and method of making the same | — | 1997-06-17 |
| 5507538 | Screw thread for thin-walled tubing | — | 1996-04-16 |
| 5421547 | Inline valve | — | 1995-06-06 |
| 5216842 | Glass grinding and polishing machine | — | 1993-06-08 |
| 5210980 | Diamond grinding machine for threading and forming hard materials such as ceramics, carbide and glass objects | — | 1993-05-18 |
| 5109997 | Expandable stopper | — | 1992-05-05 |
| 5106055 | Dynamic double action valve | — | 1992-04-21 |
| 5000215 | Bellows seal for valves and the like | — | 1991-03-19 |
| 4907780 | Combined seal and actuator support | — | 1990-03-13 |
| 4877270 | Connector for tapered glass joints | — | 1989-10-31 |
| 4669763 | Gripping saddle and O-ring apparatus | — | 1987-06-02 |
| 4601310 | Quick turn metering valve | — | 1986-07-22 |
| 4550846 | Non-stick stopper with easy removal structure | — | 1985-11-05 |
| 4512364 | Non-stick glass stopcock | — | 1985-04-23 |
| 4509566 | Separatory funnel and valve device | — | 1985-04-09 |