MH

Martval J. Hartig

EA E.I. Du Pont De Nemours And: 4 patents #1,770 of 8,010Top 25%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Wilmington, DE: #787 of 3,182 inventorsTop 25%
🗺 Delaware: #1,571 of 7,163 inventorsTop 25%
Overall (All Time): #894,446 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4820468 Method for making welded hollow plastic plate heat exchangers 1989-04-11
RE32436 Reinforced optical fiber cable with glass or silica core 1987-06-09
4424098 Falling film evaporator 1984-01-03
4341601 Water evaporation process 1982-07-27
4331378 Reinforced optical fiber cable with glass or silica core 1982-05-25
4261936 Jacketed optical filamentary material with thermoplastic core 1981-04-14