P

Inventor

KNOTTENBELT CYRIL DAVID

ZA6 patents
⚠️ This page may combine multiple inventors who share the name “KNOTTENBELT CYRIL DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KNOTTENBELT CYRIL DAVID

3 patents

PET OIL & GAS CORP S AFRICA

2 patents

PETROLEUM OIL AND GAS CORP OF SOUTH AFRICA PTY LTD

1 patent