Patents


5,095,822
Cable Crossover Device

Andrew T. Martin
March 1992

Patent 5095822 Cable Crossover Device

5,749,137
Modular Loudspeaker Enclosure Suspension Rigging Method

Andrew T. Martin
May 1998

Patent 5749137 Modular Loudspeaker Enclosure Suspension Rigging Method

5,758,852
Modular Loudspeaker Enclosure Suspension Rigging System

Andrew T. Martin
June 1998

Patent 5758852 Modular Loudspeaker Enclosure Suspension Rigging System

5,775,664
Anchor Fastening Device

Andrew T. Martin
July 1998

Patent 5775664 Anchor Fastening Device

5,819,959
Modular Pivotal Suspension Rigging Apparatus

Andrew T. Martin
October 1998

Patent 5819959 Modular Pivotal Suspension Rigging Apparatus