WS

Willard P. Spalding

AS American Standard: 3 patents #127 of 558Top 25%
WB Westinghouse Air Brake: 2 patents #97 of 220Top 45%
Overall (All Time): #1,056,818 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5437219 Low stress conical type diaphragm Daniel G. Scott, William K. Mong 1995-08-01
5220863 Conical diaphragm and method of making Daniel G. Scott, William K. Mong 1993-06-22
4951554 Low stress diaphragm Daniel G. Scott, William K. Mong, Mark S. Krampitz, Theodore B. Hill 1990-08-28
4557181 Brake cylinder/air reservoir device James E. Hart, Allen W. Kyllonen 1985-12-10
4418799 Combined air reservoir/brake cylinder device James E. Hart, Allen W. Kyllonen 1983-12-06