Saitek P1500 RUMBLE PAD Manual page 35

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Protected by one or more of the following United States Patents:
4,823,634; 5,185,561; 5,220,260; 5,389,865; 5,414,337; 5,459,382; 5,559,412;
5,576,727; 5,589,854; 5,629,594; 5,666,138; 5,691,898; 5,701,140; 5,721,566;
5,731,804;
5,734,373; 5,739,811; 5,754,023; 5,767,839; 5,769,640; 5,805,140; 5,825,308;
5,831,408;
5,844,392; 5,872,438; 5,889,670; 5,889,672; 5,907,487; 5,929,607; 5,929,846;
5,956,484;
5,959,613; 5,999,168"