AE

Anthony G. Ehrlich

US Union Switch & Signal: 3 patents #12 of 78Top 20%
Overall (All Time): #1,655,063 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5330134 Railway cab signal — 1994-07-19
5263669 Railway cab signal transmitter — 1993-11-23
5219426 Single-element coded alternating current railway track circuit having double-element, phase-selective capability — 1993-06-15