Patents by Inventor Robert L. Dyer

Robert L. Dyer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5123307
    Abstract: An apparatus and method for manipulating the doorknob of a locked door. An elongated rod is inserted under the door and rotated to a vertical position. A gripper is attached to the rod and engages the doorknob as the rod is rotated. A cord is attached to the gripper, and manipulation of the rod and cord in combination turns the doorknob and opens the locked door.
    Type: Grant
    Filed: March 19, 1991
    Date of Patent: June 23, 1992
    Inventor: Robert L. Dyer
  • Patent number: 4761912
    Abstract: A trap for snails, slugs and the like has a base and a top cover which fits over the base. The base has a central upwardly extending support defining an upwardly opening bait receptacle. The base further has an annular upwardly projecting wall surrounding the central support. A generally horizontal planar bottom member of the base extends between and connects a lower portion of the central support and a lower portion of the annular wall. The top cover has a generally horizontal planar disk element and an annular lip that extends downwardly from the periphery of the disk element. The top cover further has a plurality of reinforcing ribs that extend from the underside of the disk element. The top cover is configured and dimensioned so that it can fit on top of the base and engage the central support and annular wall thereof, with the annular lip positioned radially outward from the annular wall.
    Type: Grant
    Filed: May 11, 1987
    Date of Patent: August 9, 1988
    Inventors: Robert L. Dyer, Lonnie C. Pogue
  • Patent number: 4629460
    Abstract: Three radially inwardly curved haptics extend outwardly from equi-distant locations about the periphery of a plano-convex optic. A flat, rounded pod is attached to the distal end of each haptic on the radially outward side thereof.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: December 16, 1986
    Inventor: Robert L. Dyer