Patents by Inventor Acie J. McManus

Acie J. McManus 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).

  • Portable laser vertical collimator and plumb line indicator
    Patent number: 4448528
    Abstract: Apparatus for transferring a floor marking to a location on an overhead in direct true vertical relationship to the floor marking comprising a laser device generating a pair of beams directionally separated 180 degrees, gimbal mounted to swing free within a wind shielding housing, the housing having collapsible tripod legs with caging arms on each leg extending into the housing to engage and hold said laser in a centralized position when said legs are collapsed for transport of said apparatus.
    Type: Grant
    Filed: December 7, 1981
    Date of Patent: May 15, 1984
    Inventor: Acie J. McManus