LH

Leonard J. Hitchcock

IBM: 4 patents #21,733 of 70,183Top 35%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,290,536 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5521809 Current share circuit for DC to DC converters Donald J. Ashley, Michael J. Johnson 1996-05-28
5418703 DC-DC converter with reset control for enhanced zero-volt switching Ronnie A. Wunderlich 1995-05-23
5132889 Resonant-transition DC-to-DC converter Michael M. Walters, Ronnie A. Wunderlich 1992-07-21
4860189 Full bridge power converter circuit 1989-08-22