Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297252 | Aging-resistant fireproofing material | Wolfram Koegel, Ludwig Zuern, Friedheim Gaertner | 1981-10-27 |
AC
Arndt C. Caesar
Overall (All Time): #4,099,371 of 4,157,543Top 100%
1
Patents All Time