Assignee
Inventors
- Jozef Maria Finders (49 patents)
- Johannes Anna Quaedackers (26 patents)
- Judocus Marie Dominicus Stoeldraijer (9 patents)
- Johannes Wilhelmus De Klerk (12 patents)
- Alexander Serebryakov (1 patents)
US Patent 7670731 · Granted Mar 2, 2010