Assignee
Inventors
- Hendrik Frans Verwoerd Boshoff (7 patents)
- Filippus Lourens Andries Du Plessis (3 patents)
- Willem Morkel Van Der Westhuizen (7 patents)
- Jan Pool (4 patents)
- Johannes Petrus VAN ZYL (1 patents)
- Adri VAN DER MERWE (1 patents)
US Patent 10732813 · Granted Aug 4, 2020