| Identifier | Title | Date | Event type | Other information | |
|---|---|---|---|---|---|
| KBA 16743 | 28th Dec 1934 | Creation | digitized | prolonged period of protection | ||
| KBA 17124 | ca. 8th Apr 1936 | Reception | digitized | prolonged period of protection | ||
| KBA 9322.144 | 30th May 1922 | Creation | digitized | prolonged period of protection | ||
| KBA 9322.318 | 29th Dec 1922 | Creation | digitized | prolonged period of protection | ||
| KBA 9323.197 | 12th Jun 1923 | Creation | digitized | prolonged period of protection | ||
| KBA 9357.294 | 3rd May 1957 | Creation | digitized | prolonged period of protection | ||
| KBA 9357.295 | 6th May 1957 | Creation | digitized | prolonged period of protection | ||
| KBA 9361.108 | 3rd Feb 1961 | Creation | digitized | prolonged period of protection |