JG

John D. Grainger

SC Switch Bulb Company: 5 patents #11 of 34Top 35%
Overall (All Time): #1,004,054 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9049761 Power factor control for an LED bulb driver circuit Stanley Canter 2015-06-02
8754594 Thermal protection circuit for an LED bulb Ronald J. Lenk 2014-06-17
8461767 Power factor control for an LED bulb driver circuit Stanley Canter 2013-06-11
8283877 Thermal protection circuit for an LED bulb Ronald J. Lenk 2012-10-09
8188671 Power factor control for an LED bulb driver circuit Stanley Canter 2012-05-29