Assignee
Inventors
- Johan Cornelis Talstra (45 patents)
- Hendricus Theodorus Gerardus Maria Penning De Vries (15 patents)
- George Frederic Yianni (12 patents)
- Lucius Theodorus Vinkenvleugel (18 patents)
- Franciscus Wilhelmus Adrianus Alphonsus Van Leeuwen (4 patents)