Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D261310 | Frame member for windows or the like | — | 1981-10-13 |
| D261311 | Frame member for windows or the like | — | 1981-10-13 |
| D261312 | Frame member for windows or the like | — | 1981-10-13 |
| D261313 | Frame member for windows or the like | — | 1981-10-13 |
| D261314 | Frame member for windows or the like | — | 1981-10-13 |
| D261315 | Frame member for windows or the like | — | 1981-10-13 |
| D261316 | Frame member for windows or the like | — | 1981-10-13 |
| D261304 | Frame member for windows or the like | — | 1981-10-13 |
| 4231755 | Process for purifying solid substances | Heinz Herzer, Heinz-Jorg Rath | 1980-11-04 |
| 4210486 | Process for determining the effective doping agent content of hydrogen for the production of semiconductors | Johann Hofer, Heinz Herzer | 1980-07-01 |