Patents by Inventor Donald W. Wahlstrom

Donald W. Wahlstrom 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: 5375615
    Abstract: A tool structure including a container housing a spool of dental floss is provided. A dental floss filament from the spool is directed through the housing and extends through a support rod, wherein a plurality of arcuate legs are provided extending from the support rod and arranged separated relative to one another at an acute angulation. The filament is directed through a first of the legs and extends from an outer distal end of the first leg to a second one of the legs to support dental floss therebetween. A free distal end of the dental floss is secured to a lock fastener mounted to the support rod adjacent the origin of the first and second legs.
    Type: Grant
    Filed: February 9, 1994
    Date of Patent: December 27, 1994
    Inventor: Donald W. Wahlstrom