JH

Joseph R. Hankinson

PG Polygram Gmbh: 1 patents #1 of 5Top 20%
Overall (1982): #52,928 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4361898 Digital synchronizing system Frank Anthony Griffiths 1982-11-30