BH

Brian L. Hetherington

DC Dupont Canada: 2 patents #30 of 133Top 25%
EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
Overall (All Time): #1,682,338 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4477407 Machine direction orientation of nylon film Peter H. Gray, Alistair N. Mollison 1984-10-16
4357294 Manufacture of plastic containers Peter Y. Kelly 1982-11-02
4265616 Process for producing a heat-weakened strip in polyolefin film 1981-05-05