Inventor

HAKALA MARJA-RIITTA

FI2 patents

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

VAISALA OX

1 patent

US4998431AMar 12, 1991

Field usable calibrator for humidity meters

VAISALA OX21 citations71

NESTE OIL OYJ

1 patent

US7367158B2May 6, 2008

Fixing agent in the form of an oil/water type emulsion or suspension, and preparation of the same

NESTE OIL OYJ4 citations54