Patents by Inventor Donald Charles Whitley

Donald Charles Whitley 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: 5861305
    Abstract: The invention provides an exemplary anaerobic cabinet system which comprises as least one anaerobic cabinet which defines an enclosure interior of which is visible from outside of the cabinet. The cabinet includes a mechanism for inducing and maintaining a prescribe low oxygen internal atmosphere within the enclosure. The cabinet further includes at least one hand/arm access port, a controlled lock-type access mechanism for manually introducing and removing items through the port, and a hand/arm access port provision which is operably coupled to the lock-type access mechanism for manipulating items within the cabinet. The lock-type access mechanism comprises a door provision which in combination with the port provision define an import chamber for loading and/or unloading items to and from the enclosure through the port.
    Type: Grant
    Filed: July 1, 1997
    Date of Patent: January 19, 1999
    Assignee: Don Whitley Scientific Limited
    Inventors: Peter Silley, Donald Charles Whitley, Evan Jonathan Kitsell