| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 7 | |
| #2 | Switzerland | 2 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring light |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nielsen Holger | 11 |
| #2 | Christoffersen Steen | 1 |
| #3 | Bruhn Ole | 1 |
| #4 | Holger Nielsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK3092D0 | Suspension system, namely for ring bands, cassetts and similar archive devices | |
| GB120310A | Improvements in Means for Determining Photographic Exposures. | |
| CA302461A | Tape dispensing machine |