Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D812927 | Dental hygiene storage device | — | 2018-03-20 |
| 9629506 | Dental hygiene storage device | — | 2017-04-25 |
| 5653258 | Vent valve | — | 1997-08-05 |
| 5649360 | Method of making a vent valve | — | 1997-07-22 |
| 5603485 | Valve plate for a thermostatic valve | — | 1997-02-18 |
| 4852857 | Protective device for submersible lance in steel making or the like | Winfried Heinz | 1989-08-01 |
| 4742715 | Apparatus for the manipulation of probes | Winfried Heinz | 1988-05-10 |
| 4258571 | Magazine with centering and coupling elements for measuring and sampling devices | Arnold Jurgens, Herbert Koopmann | 1981-03-31 |