RL

Richard H. Ludwig

WE Westinghouse Electric: 6 patents #440 of 5,139Top 9%
📍 West Caldwell, NJ: #38 of 164 inventorsTop 25%
🗺 New Jersey: #14,190 of 69,400 inventorsTop 25%
Overall (All Time): #895,208 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4785914 Elevator system leveling safeguard control and method Jeffrey W. Blain 1988-11-22
4648488 Elevator system Matthew Martin 1987-03-10
4638889 Elevator system Joanne E. Mikhail 1987-01-27
4463833 Elevator system Linus R. Dirnberger, Alan L. Husson 1984-08-07
4436185 Elevator system Wing C. Quan, Alan L. Husson, Linus R. Dirnberger, Marjorie J. Polis 1984-03-13
4317506 Elevator system Wing C. Quan 1982-03-02