Assignee
No assignee recorded.
Inventors
- Frederick Johannes Bruwer (65 patents)
- Douw Gerbrandt Van Der Merwe (8 patents)
- Daniel Barend RADEMEYER (3 patents)
- Regardt Busch (2 patents)
- Unknown
US Patent 11624633 · Granted Apr 11, 2023
No assignee recorded.