RO

Robert J. Oliveira

📍 Maplewood, MN: #8 of 50 inventorsTop 20%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #25,634 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5682020 Sealing of hearing aid to ear canal 1997-10-28
5643188 Liner-protected adhesive strip 1997-07-01