EP

Engelbert Pechhold

EA E.I. Du Pont De Nemours And: 2 patents #34 of 533Top 7%
📍 Chadds Ford, PA: #2 of 20 inventorsTop 10%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #41,327 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5670246 Treatment of polyamide materials with partial fluoroesters or fluorothioesters of maleic acid polymers and sulfonated aromatic condensates Peter Michael Murphy 1997-09-23
5654068 Stain resists for polyamide substrates 1997-08-05