Patents by Inventor Mark A. Hollander

Mark A. Hollander 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: 5106226
    Abstract: A warning system construction for slowing traffic by alerting a driver of impending danger, said construction including a supporting base structure such as a mounting frame having longitudinal spaced apart main frame members and a plurality of cross members fixed to said longitudinal members in longitudinal spaced apart relationship with raised segments mounted on selected cross members to engage the tires of a vehicle to notify the driver of impending danger.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: April 21, 1992
    Inventors: Charles E. Fanslow, Mark A. Hollander