Patents by Inventor Joseph I. Davis

Joseph I. Davis 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).

  • Trolley ride apparatus
    Patent number: 4062293
    Abstract: A trolley ride for sliding along a wire stretched between two uprights having a pair of identically molded plastic side members adapted to be bolted together with a pair of horizontally aligned pulleys rotatably mounted therebetween. Each side members have a tubular member extending outwardly for receiving a pipe that extends across the juncture of the side members for reinforcing the handles.
    Type: Grant
    Filed: March 8, 1976
    Date of Patent: December 13, 1977
    Assignee: Davis-Grabowski, Inc.
    Inventor: Joseph I. Davis