Patents by Inventor Alvin N. Freed

Alvin N. Freed 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: 5355835
    Abstract: A marauder-deterrent bird feeder pole and platform slide assembly includes a hollow upright pole adapted at a top end to support a bird feeder, a platform subassembly mounted about the pole for undergoing reciprocal movement between bottom and top ends of the pole, lower and upper pluralities of guide rollers respectively mounted to the lower and upper ends of the platform subassembly to undergo rotational movement relative thereto and rollably engaging the pole below and above the lower and upper ends of the platform subassembly so as to movably support the platform subassembly on the pole, and a biasing subassembly connected to the pole and to the platform subassembly for biasing the platform subassembly to move upward toward a raised home position adjacent to and spaced below the top end of the pole in absence of the weight of a marauding animal being imposed on the platform subassembly.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: October 18, 1994
    Inventor: Alvin N. Freed