Patents Assigned to Paul G. McKinnon
  • Elliptical orbit compaction curb forming and extruding apparatus
    Patent number: 5527129
    Abstract: A manually operable and steerable curb extrusion device for extruding curb, barrier, wall, gutter or the like from concrete, cement or some other moldable building material. The curb extrusion device has a hopper into which building materials are placed to fall onto a reciprocating orbital compaction member which compacts, kneads, and forces the building material through an open ended extrusion mold where it is shaped before extrusion.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: June 18, 1996
    Assignee: Paul G. McKinnon
    Inventor: Paul G. McKinnon