PS

Penelope R. Sisson

ND National Research Development: 1 patents #24 of 131Top 20%
Overall (1989): #69,261 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4826490 Safety device for hypodermic needle or the like Phillip O. Byrne, Harry R. Ingham 1989-05-02