Patents by Inventor Max Ottenwalder

Max Ottenwalder 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).

  • Sleeve for flowerpots for the like
    Patent number: 5117584
    Abstract: A sleeve for flowerpots which is folded in zig-zag manner along convex outer and convex inner fold lines at least over a major part of a height thereof. Concave connecting fold lines are provided at a distance from a marginal edge, with the concave connecting fold lines connecting adjacent outer and inner main fold lines. Between the connecting fold lines and the marginal edge, the arrangement and folding direction of fold lines continuing the main fold lines are interchanged as compared with the main fold lines of the sleeve material.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: June 2, 1992
    Assignee: Heinrich Kossman
    Inventors: Max Ottenwalder, Karl-Leo Heitlinger
  • Flower pot sleeve
    Patent number: D335105
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: April 27, 1993
    Assignee: Heinrich Kossmann AG Plasticfabrikation
    Inventors: Max Ottenwalder, Karl-Leo Heitlinger