Patents by Inventor E. Mark Rogers

E. Mark Rogers 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).

  • Gear wear indicator
    Patent number: 6415735
    Abstract: The present invention is directed to a gear wear indicator. The gear wear indicator comprises at least one indicator tooth where the indicator tooth comprises a cavity. An indicator element is located within the cavity and is visually altered when the cavity is ruptured. A viewing port is provided for viewing the indicator element in the cavity.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: July 9, 2002
    Inventor: E. Mark Rogers
  • Staple remover
    Patent number: 4513951
    Abstract: A staple remover avoids scattering of removed staples by delivering them in a controlled manner onto a storage rail where they are clearly viewable to indicate when the storage rail requires emptying. A handle pivoted to the storage rail carries on its face opposing the storage rail a textile element which prevents removed staples from traveling toward the forward end of the storage rail and stabilizes the removed staples until they are separated from the storage rail.
    Type: Grant
    Filed: March 12, 1984
    Date of Patent: April 30, 1985
    Inventor: E. Mark Rogers