PS

Penelope R. Sisson

ND National Research Development: 4 patents #45 of 1,071Top 5%
BL British Technology Group Limited: 3 patents #32 of 501Top 7%
Overall (All Time): #764,689 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5601535 Safety device for hypodermic needle or the like Phillip O. Byrne, Harry R. Ingham 1997-02-11
5549572 Safety device for hypodermic needle or the like Phillip O. Byrne, Harry R. Ingham 1996-08-27
5536257 Safety device for hypodermic needle or the like Phillip O. Byrne, Harry R. Ingham 1996-07-16
5084030 Safety device for hypodermic needle or the like Phillip O. Byrne, Harry R. Ingham 1992-01-28
4990141 Single-use syringe Phillip O. Byrne, Harry R. Ingham 1991-02-05
4957490 Injection device Phillip O. Byrne, Harry R. Ingham 1990-09-18
4826490 Safety device for hypodermic needle or the like Phillip O. Byrne, Harry R. Ingham 1989-05-02