Niels Christensen
| Use attributes for filter ! | |
| Gender | Male |
|---|---|
| Death | 73 years ago |
| Date of birth | August 16,1865 |
| Zodiac sign | Leo |
| Born | Torring-Uldum Municipality |
| Date of died | October 5,1952 |
| Job | Engineer |
| Inventor | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1738883 |
Niels Christensen Life story
Niels Anton Christensen was a Danish-American inventor whose principal invention was the O-ring, the ubiquitous hydraulic seal.