| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Israel | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | South Africa | 2 | |
| #6 | Argentina | 1 | |
| #7 | Brazil | 1 | |
| #8 | Canada | 1 | |
| #9 | China | 1 | |
| #10 | Czechia | 1 | |
| #11 | Germany | 1 | |
| #12 | Algeria | 1 | |
| #13 | Hong Kong | 1 | |
| #14 | Croatia | 1 | |
| #15 | Hungary | 1 | |
| #16 | Indonesia | 1 | |
| #17 | Morocco | 1 | |
| #18 | Norway | 1 | |
| #19 | New Zealand | 1 | |
| #20 | Poland | 1 | |
| #21 | Romania | 1 | |
| #22 | Tunisia | 1 | |
| #23 | Taiwan | 1 | |
| #24 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Filing and indexing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friederichsen Christian | 21 |
| #2 | Friederichsen Chritian | 1 |
| #3 | Friederichsen C | 1 |
| #4 | Christian Friedrichsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19702474C1 | Album sheet for e.g. photographs, postcards, telephone cards etc. | |
| AU3839395A | Album page |