Patents by Inventor Alan Lee Johnson

Alan Lee Johnson 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).

  • Telephone Line Testing Apparatus With Remote Control
    Publication number: 20230208968
    Abstract: An apparatus for telephone line testing provides a tone generator that can be remotely switched to short or open via a cable pair by monitoring shorts on the cable pair itself to allow a simplified testing protocol with reduced technician travel and without the need for a remote controller carried by the technician.
    Type: Application
    Filed: December 15, 2022
    Publication date: June 29, 2023
    Inventors: Andrew Vincent Johnson, Alan Lee Johnson, Paul Coleman Hunt
  • Spring clamp for construction of plant cages and trellises
    Patent number: 10302110
    Abstract: A thin, flat, generally rectangular form, constructed of resilient material forming a spring plate clamping device for the removable attachment of horizontal plant support rods onto upright stakes, thereby facilitating the construction of plant cages to support and protect vegetation.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: May 28, 2019
    Inventor: Alan Lee Johnson
  • Toilet Flush Mechanism for Dementia Patients
    Publication number: 20180058052
    Abstract: A toilet flush mechanism comprising a tubular conduit for a long flexible element which translates within conduit and connects a toilet flapper valve to a grip handle or chain pull which is located at an inconspicuous location outside the toilet tank for the purpose of preventing flushing by toddlers or individuals with dementia.
    Type: Application
    Filed: August 16, 2017
    Publication date: March 1, 2018
    Inventor: Alan Lee Johnson
  • Spring Clamp for Construction of Plant Cages and Trellises
    Publication number: 20170261019
    Abstract: A thin, flat, generally rectangular form, constructed of resilient material forming a spring plate clamping device for the removable attachment of horizontal plant support rods onto upright stakes, thereby facilitating the construction of plant cages to support and protect vegetation.
    Type: Application
    Filed: February 23, 2017
    Publication date: September 14, 2017
    Inventor: Alan Lee Johnson