DM

Donald R. Morrison

📍 Charlotte, NC: #1 of 113 inventorsTop 1%
🗺 North Carolina: #7 of 1,241 inventorsTop 1%
Overall (1989): #1,201 of 140,708Top 1%
7
Patents 1989

Issued Patents 1989

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
RE33131 Motorized dumping vehicle 1989-12-19
4877104 Braking system for a motorized dumping vehicle 1989-10-31
4869618 Distributor for concrete screed, and screed assembly comprising same 1989-09-26
4859115 Blade mounting apparatus, and blade comprising same 1989-08-22
4848959 Retaining clip and blade mounting apparatus 1989-07-18
4832525 Double-bearing shaft for a vibrating screed 1989-05-23
4806047 Screed frame and stiffening apparatus 1989-02-21