Patents Assigned to Metallic Ladder Manufacturing Corporation
  • Patent number: 4027492
    Abstract: A transportable boat lift including a framework having a base portion and a boat support portion mounted on the base portion for vertically directed movement between extended or boat supporting and non-supporting or retracted positions, and at least one flotation device coupled to the framework for effecting submersion/emersion thereof incident to such movements of the boat support portion relative to the base portion.
    Type: Grant
    Filed: June 10, 1976
    Date of Patent: June 7, 1977
    Assignee: Metallic Ladder Manufacturing Corporation
    Inventor: Charles R. Carpenter