Following are the cited works listing of "Holocom Networks" on the USPTO website:

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=0&p=1&f=S&l=50&Query=holocom%0D%0A&d=PALL

These 3 patents each cite Holocom Networks as the assignee of  Patent # 5,831,211 in the following paragraph:

In the past, there have been numerous cable and other routing systems, such as those used to route computer, electric power and communications cables and wires to and within offices, especially within a building. A particularly successful example of such a system is that described and claimed in U.S. Pat. No. 5,831,211, owned by the assignee of the present invention and patent application, Holocom Networks of Carlsbad, Calif., and commercially available under the trademark TOPRUNNER.RTM.. A principal limitation of such systems, however, is that they are not secure from intrusion and cannot be made secure without extensive modification. Such modification is impractical in most cases, since the intent of their designers and their users has been to have them readily accessible to facilitate frequent reconfiguration. Therefore while such non-secure systems do provide functions similar to those of the system of the present invention, i.e., routing of cables, their physical structures and security capabilities are entirely different.

US Patent # 5,831,211:

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,831,211.PN.&OS=PN/5,831,211&RS=PN/5,831,211

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