Patents by Inventor Donald Haga

Donald Haga 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).

  • Removable memory modules
    Patent number: 5435737
    Abstract: A computer unit with identical compartments for receiving associated identical memory modules, these modules housing memory means adapted to be removably inserted into a receiving compartment which includes an electrical connector and engagement pin, each module also including an electrical connector for mating with the compartment connector; each module further including its own lever to engage this pin and so draw the module into the compartment, while mating the connectors, or to be reverse-activated to disengage the connectors and help eject the module from the compartment.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: July 25, 1995
    Assignee: Unisys Corporation
    Inventors: Donald Haga, Ronald Provenzale, Richard Hibbs