Patents Examined by Alvin Chin-Shug
  • Clamping device
    Patent number: 4432435
    Abstract: A clamping device for securing a pole within a U-shaped yoke having a plate member with a hook at one end and a tooth at the other end for respectively engaging opposing slots at the distal ends of the yoke to transversely position the plate across the yoke. A bolt threadingly passes through a hole in the plate to extend in a forward direction on the plate. A bearing plate is rotatably mounted on the forward end of the bolt for abutting the pole and clamping it within the yoke.
    Type: Grant
    Filed: April 20, 1981
    Date of Patent: February 21, 1984
    Inventor: Carl Anderson
  • Tree steps
    Patent number: 4422527
    Abstract: A lightweight ecologically oriented shell-like device comprising, with a strap, portably useable tree climbing steps in which the application of stresses in climbing seat the steps firmly and without digging into or displacing the bark and wood of trees and similar vertical cylindrical structures. These devices are useful for hunters, for woodsmen, for utility pole climbing, and the like.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: December 27, 1983
    Assignee: Vogl-Schultz, Incorporated
    Inventors: William E. Schultz, Jeffrey S. Vogl