Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967879 | Ladder | Carlheinz Mannhardt, Heinz Pecher, Oswald Riedl | 1990-11-06 |
| 4216844 | Fitting for joints of ladder sections | — | 1980-08-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967879 | Ladder | Carlheinz Mannhardt, Heinz Pecher, Oswald Riedl | 1990-11-06 |
| 4216844 | Fitting for joints of ladder sections | — | 1980-08-12 |