Patents by Inventor Mark Stiggers

Mark Stiggers 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).

  • Dolly with clamping mechanism(s)
    Patent number: 12441381
    Abstract: A device includes a deck configured to receive a container and a clamping mechanism configured clamp the container to the deck and unclamp the container from the deck. The clamping mechanism has one or more first fingers and one or more second fingers. The one or more first fingers are actuatable between a first position to clamp the container to the deck, and a second position to unclamp the container from the deck. The one or more second fingers are actuatable between a third position to clamp the container to the deck, and a fourth position to unclamp the container from the deck. The device further includes a button to at least partially control an actuation of at least one of the one or more first fingers or the one or more second fingers, a lighting element configured to illuminate according to an operational status of the clamping mechanism.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: October 14, 2025
    Assignee: Amazon Technologies, Inc.
    Inventors: Mark Stiggers, Shailesh Kumar, Anthony Guobin Chan, David Thomas Over