Macungie, Pennsylvania
United States
3
2005-07-21
Eric J. Zerphy from Macungie, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Dynamic message sign display panel communication error detection and correction
#2 | 2005-07-12Optical assembly for light emitting diode package
#3 | 2005-07-07Automatic detection of dynamic message sign display panel configuration
4873278 ⎘