DD

Douglas Duke

IE International Standard Electric: 1 patents #16 of 93Top 20%
Overall (1982): #68,949 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4351619 Ink ribbon cassette Reinhold Drodofsky, Folker Galaske 1982-09-28