PJ

Philip P. Jenkins

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
📍 Ashby de la Zouch, GB: #28 of 47 inventorsTop 60%
Overall (All Time): #3,946,050 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4722574 Personnel detection and protection systems for use in underground mines Derek K. Barham 1988-02-02