RH

Robert H. Heil

3M: 2 patents #129 of 1,069Top 15%
📍 Belleville, IL: #3 of 11 inventorsTop 30%
🗺 Illinois: #421 of 4,656 inventorsTop 10%
Overall (1997): #25,956 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5667626 Masking device hub providing two position tape support James D. Cayford, Philip V. Sadrakula, Stanley W. Widmer 1997-09-16
5593771 Barrier laminate and method using a portable carrier for sealing gaps in building construction Joseph D. Lawless, Scott R. Pribnow, Duncan Russell 1997-01-14