RH

Robert Hallett

📍 Dundee, MI: #1 of 2 inventorsTop 50%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #63,182 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855721 Alarm apparatus for a freezer Edward Ketelaar, Jr. 1989-08-08