RA

Robert L. Andrews

HI Hyer Industries: 2 patents #2 of 7Top 30%
📍 Plymouth, MA: #74 of 198 inventorsTop 40%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,296,006 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5333762 Screw feeder with progressively decreasing screw confinement — 1994-08-02
5215228 Volumetric dry material feeder Edward A. Packard 1993-06-01