Madison, Alabama
United States
4
2020-10-06
The entities that hold a legal rights for patent applications filed by inventor Helms John:
John Helms from Madison, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Slide adjustable hinge and latch securement for a light emitting diode (LED) fixture retrofit kit
#2 | 2017-10-31LED driver circuit with step configurable output
#3 | 2017-10-24Conduit knockout interface device for connecting a power over ethernet cable to an LED luminaire
#4 | 2017-06-27Negative current sensing method for multi-channel LED driver
7129911 ⎘