This post contains a collection of H Bridge related info.
Driving a high current DC Motor using an H-bridge
http://hades.mech.northwestern.edu/index.php/Driving_a_high_current_DC_Motor_using_an_H-bridge
6 FET Xie-Chang 116 controllers on low voltage
https://endless-sphere.com/forums/viewtopic.php?f=2&t=16651
New 'Mini Monster' Programmable Controllers Coming
https://endless-sphere.com/forums/viewtopic.php?f=2&t=12616&hilit=6fet
Voltage Spikes in FET based H-bridges
http://www.mcmanis.com/chuck/robotics/projects/esc2/hbridge_spiking.html
Old H Bridge Secret
http://www.modularcircuits.com/blog/articles/old-h-bridge-secrets/part-1/