RJ

Ralph P. Parks, Jr.

GP Gte Products: 2 patents #39 of 199Top 20%
📍 Beverly, MA: #2 of 15 inventorsTop 15%
🗺 Massachusetts: #202 of 2,831 inventorsTop 8%
Overall (1989): #18,037 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4870323 Method of dispensing mercury into an arc discharge lamp William J. Roche 1989-09-26
4823047 Mercury dispenser for arc discharge lamps James L. Holmes 1989-04-18