Coon Rapids, Minnesota
United States
4
2025-09-18
The entities that hold a legal rights for patent applications filed by inventor Fields Christopher:
Christopher Fields from Coon Rapids, US has applied for patents for these inventions. The list has both pending applications and granted patents:
PHOTOIONIZATION DETECTOR WITH IGNITION FAILURE WARNING SYSTEM
#2 | 2024-09-26Temperature compensating adjustable ultraviolet lamp driver circuit and photoionization detector employing the driver circuit
#3 | 2024-09-19PHOTOIONIZATION DETECTOR SENSOR WITH ADJUSTABLE GAIN
#4 | 2024-09-05Galvanic current protection for photoionization detector
6769659 ⎘