Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10862333 | Solar and plug automatic rechargeable 12/24 volt battery power backup unit | — | 2020-12-08 |
| 7476906 | Photodiode array and method for establishing a link between a first semiconductor element and a second semiconductor element | Mathias Kämpf, Melanie Ring, Frank Singer | 2009-01-13 |
| 5844328 | Backup device for electric appliance | — | 1998-12-01 |
| 5463811 | Spherical bearing and method of assembling a spherical bearing | William D. Aureli | 1995-11-07 |
| 5223203 | Method for making a polymer part having an amorphous surface layer | Keith L. Seifert | 1993-06-29 |
| 5200265 | Crystalline plastic body with outer amorphous plastic surface layer | Keith L. Seifert | 1993-04-06 |
| 5182070 | Process for molding polymer bearing cage with amorphous case | Keith L. Seifert | 1993-01-26 |
| 5104241 | Polymer bearing cage with amorphous case | Keith L. Seifert | 1992-04-14 |