P

Inventor

PERSCHKE MALCOLM

US9 patents
⚠️ This page may combine multiple inventors who share the name “PERSCHKE MALCOLM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

Heshka Oil

4 patents

SCHLUMBERGER TECHNOLOGY CORP

3 patents

SMITH INTERNATIONAL

1 patent

PERSCHKE MALCOLM

1 patent