Roger P. Ashworth

BP British Gas Plc: 1 patents #4 of 26Top 20%

📍 Wallsend, GB: #1 of 2 inventorsTop 50%

Overall (1997): #87,468 of 185,788Top 50%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5610323	Method of testing pipes for leakage	—	1997-03-11