Patents by Inventor Lambert Spaanstra, Sr.

Lambert Spaanstra, Sr. 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: 5236107
    Abstract: A dispensing cap construction having a closure button which is pivotally mounted in the upper portion of a tubular cap body. The closure button and the cap body have communicating discharge passages, and the button has an orifice at the end of its discharge passage. The button orifice is normally closed by the upper wall of the cap body, and such wall is resilient and has a bulge which extends into the button orifice to act as a detent thereby to minimize the likelihood of the botton becoming inadvertently opened.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: August 17, 1993
    Assignee: Stull Closure Technologies, Inc.
    Inventor: Lambert Spaanstra, Sr.