Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824511 | Multilayer circuit board with fluoropolymer interlayers | Frederick Hartman | 1989-04-25 |
| 4763267 | System for indicating track sections in an interlocking area as occupied or unoccupied | Helmut Uebel | 1988-08-09 |
| 4639497 | Preparation of tetrafluoroethylene fine powder | Satish C. Malhotra | 1987-01-27 |
| 4576361 | Claw hammer with protective cushion | — | 1986-03-18 |
| 4546144 | Coating compositions of tetrafluoroethylene aqueous dispersions | — | 1985-10-08 |
| 4418890 | Wedge with flanges | — | 1983-12-06 |
| 4354649 | Arrangement for continuously controlling track-bound vehicles | Eduard Murr, Siegfried Gersting, Helmut bel | 1982-10-19 |