Patents by Inventor William G. Hollaway

William G. Hollaway 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: 5154454
    Abstract: A concealed exit device for mounting vertically within a door to cooperate with a threshold latch plate and an overhead latch plate in a door opening for latching and unlatching the door within the door opening. The concealed exit device includes a manually actuated member for mounting in a central portion of the door for manual movement from one side of the door between a normally biased position and an actuated position, upper and lower latching mechanisms for mounting in upper and lower ends of the door for movement between extended latched positions in cooperating latched relation with the overhead and threshold latch plates respectively and retracted unlatched positions out of cooperating relation with the latch plates.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: October 13, 1992
    Assignee: Monarch Hardwire & Mfg. Co., Inc.
    Inventor: William G. Hollaway