PR

Peter S. Richards

PF Progressive Fastening: 1 patents #1 of 1Top 100%
📍 Georgetown, TX: #1 of 28 inventorsTop 4%
🗺 Texas: #160 of 4,134 inventorsTop 4%
Overall (1989): #7,919 of 140,708Top 6%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4858860 Side-load type pipe hanger with single bolt closure and liner protecting insert 1989-08-22
4826343 Hard metal screw joint connection between soft metal members 1989-05-02
4802785 Joint construction and overhead hanger 1989-02-07