Patents Assigned to Davis-Grabowski, Inc.
  • 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