WJ

Walter H. Merker, Jr.

WB Westinghouse Air Brake: 5 patents #53 of 220Top 25%
AS American Standard: 1 patents #290 of 558Top 55%
📍 Downers Grove, IL: #131 of 824 inventorsTop 20%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #889,315 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5529194 Variable angle friction clutch mechanism for a draft gear assembly Howard Sommerfeld 1996-06-25
5501347 Variable angle friction clutch mechanism for a draft gear assembly Howard Sommerfeld 1996-03-26
5495957 Variable angle friction clutch mechanism for a draft gear assembly Howard Sommerfeld 1996-03-05
5452814 Variable angle friction clutch mechanism for a draft gear assembly Howard Sommerfeld 1995-09-26
5443170 Variable angle friction clutch mechanism for a draft gear assembly Howard Sommerfeld 1995-08-22
4793720 Railway car resilient side bearing — 1988-12-27