DP

David A. Porteous

WG Wabco Gmbh: 1 patents #220 of 358Top 65%
WB Westinghouse Air Brake: 1 patents #129 of 220Top 60%
📍 Grimsby, CA: #27 of 95 inventorsTop 30%
Overall (All Time): #2,281,750 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5559281 Test connector for accessing compressed air at test ports of a railroad brake control valve Albert A. McKay, Stanley J. Pasek, Jeffrey D. Reid, Trevor A. Scott, Eric G. Smith +2 more 1996-09-24
4319671 Hydro-pneumatic brake actuator arranged to maintain a constant brake shoe clearance Eric G. Smith 1982-03-16