Patents by Inventor Alexander Wing Lee

Alexander Wing Lee 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).

  • Arm for blade sharpening device
    Patent number: 10639762
    Abstract: An arm for a blade sharpening device, intended to be retrofitted onto an existing, conventional blade sharpening device so as to offer an inexpensive option to upgrade the operational simplicity and operability of the device. It has a three hingeable link linear support arm that has a lock collar affixed an its proximal end. The lock collar slidingly retains a blade clamp barrel with a blade clamp affixed at its proximal end. The lock collar allows the retraction, extension and limits the rotation of the blade.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: May 5, 2020
    Inventor: Alexander Wing Lee
  • Arm for Blade Sharpening Device
    Publication number: 20180126513
    Abstract: An arm for a blade sharpening device, intended to be retrofitted onto an existing, conventional blade sharpening device so as to offer an inexpensive option to upgrade the operational simplicity and operability of the device. It has a three hingeable link linear support arm that has a lock collar affixed an its proximal end. The lock collar slidingly retains a blade clamp barrel with a blade clamp affixed at its proximal end. The lock collar allows the retraction, extension and limits the rotation of the blade.
    Type: Application
    Filed: November 3, 2017
    Publication date: May 10, 2018
    Inventor: Alexander Wing Lee