Index of /pdf/dec/patents
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   DIR /pdf/dec
       3999163_Secondary_Storage_Facility_For_Data_Processing_Systems_Jan74.pdf
       4260914_Differential_Linear_Velocity_Transducer_Mar79.pdf
       4321632_Positioning_System_and_Formatting_Scheme_For_Magnetic_Tape_Media_May80.pdf
       4380088_Tester_For_Collision_Detect_Circuitry_Aug81.pdf
       4380723_Digital_Velocity_Servo_Jun79.pdf
       4381542_System_For_Interrupt_Arbitration_Oct80.pdf
       4384363_Transceiver_for_Local_Network_Using_Carrier-Sense_Multiple_Access_Collision_Detection_May81.pdf
       4390912_Transducer_Positioning_System_Nov80.pdf
       4412347_Precision_Setting_of_Currents_and_Reference_Voltages_Aug81.pdf
       4413339_Multiple_Error_Detecting_and_Correcting_System_Employing_Reed-Solomon_Codes_Jun81.pdf
       4434487_Disk_Format_For_Secondary_Storage_System_Oct81.pdf
       4475212_Frequency-Independent_Self-Clocking_Encoding_Technique_and_Apparatus_for_Digital_Communications_Sep81.pdf
       4954788_Phase_Locked_Loop_With_Bandwidth_Ramp_Dec89.pdf