May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047,
4893099, 5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617.
Other patents pending. Foreign patents pending.
This pedal is:
Valve Charger
Instruction Manual