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Inventor

HALLMAN JOHN H

US10 patents
⚠️ This page may combine multiple inventors who share the name “HALLMAN JOHN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CLEARWATER INT LLC

7 patents

WEATHERFORD TECH HOLDINGS LLC

1 patent

SUNDSTRAND CORP

1 patent

WEATHERFORD LAMB

1 patent