| Identifier | Title | Date | Event type | Other information | |
|---|---|---|---|---|---|
| KBA 9228.10 | ca. 7th Feb 1928 | Reception | digitized | prolonged period of protection | ||
| KBA 9228.152 | ca. 4th Sep 1928 | Reception | digitized | prolonged period of protection | ||
| KBA 9229.129 | ca. 10th Jul 1929 | Reception | digitized | prolonged period of protection | ||
| KBA 9324.271 | 7th Oct 1924 | Creation | digitized | prolonged period of protection | ||
| KBA 9325.341.2 | 3rd Aug 1925 | Creation | digitized | prolonged period of protection | ||
| KBA 9325.94 | 21st Mar 1925 | Creation | digitized | prolonged period of protection | ||
| KBA 9327.242 | 7th Jun 1927 | Creation | digitized | prolonged period of protection | ||
| KBA 9328.320 | 26th Jul 1928 | Creation | digitized | prolonged period of protection | ||
| KBA 9328.64 | 14th Feb 1928 | Creation | digitized | prolonged period of protection | ||
| KBA 9329.107 | 21st Feb 1929 | Creation | digitized | prolonged period of protection | ||
| KBA 9329.201 | 25th Apr 1929 | Creation | digitized | prolonged period of protection | ||
| KBA 9329.257 | 28th May 1929 | Creation | digitized | prolonged period of protection | ||
| KBA 9331.47 | 20th Jan 1931 | Creation | digitized | prolonged period of protection |