Patents Assigned to Commercial Structures, Inc.
  • Patent number: 4957323
    Abstract: An office trailer is disclosed which includes a recess or cove formed in one side wall. A portable toilet is accommodated within the cove and is transportable with the trailer to a use site.
    Type: Grant
    Filed: April 11, 1989
    Date of Patent: September 18, 1990
    Assignee: Commercial Structures, Inc.
    Inventor: David H. Johnson