Patents by Inventor Ben L. Crump

Ben L. Crump 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).

  • Releasable latching apparatus for a benthic grab
    Patent number: 3949497
    Abstract: Releasable latching apparatus for a benthic dredge having closures latchable in open position, the apparatus comprising vertically displaceable latch pins coupled to a plunger which is vertically displaceable by a weighted messenger.
    Type: Grant
    Filed: August 23, 1974
    Date of Patent: April 13, 1976
    Assignee: Trippensee Corporation
    Inventor: Ben L. Crump