Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696169 | Expanded metal mesh and tool for producing the same | Albrecht Klockner, Hermann Klöckner | 2004-02-24 |
| 5053266 | Ventilation tile with pliable edge areas | Mark L. Hesketh, Peter Alker, Karl Hofmann, Wendelin Wanner | 1991-10-01 |
| 5002816 | Sealing strip for a ridging | Karl Hofmann | 1991-03-26 |
| 4416094 | Attic window assembly | Franz Bugener, Manfred Rinklake, Werner Horch, Gunter Jost, Johann Christian Felix Kirsch | 1983-11-22 |