Patents by Inventor Dale C. Smith

Dale C. Smith 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).

  • Metallacrown ether catalysts for hydroformylation
    Patent number: 6579997
    Abstract: A metallacrown ether ligand chelates a transition metal atom to form a catalyst well suited to perform hydroformylation in the presence of carbon monoxide, hydrogen and an unsaturated substrate compound.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: June 17, 2003
    Assignee: UAB Research Foundation
    Inventors: Gary M. Gray, Maheswaran Harihara Sarma, Dale C. Smith
  • Cyclic fishing lure containing a slidable fishhook assembly
    Patent number: 4640040
    Abstract: A fishing lure having a cyclic structure consisting of a front towbar portion containing means for attachment to a fishing line and a rear track portion integral with an interconnecting opposing ends of said towbar. Ring means encircle said track portion and are slidable thereon. A hooking mechanism is attached to said slidable thereon. A hooking mechanism is attached to said slidable ring means. As the lure is towed through the water, changes in force, caused by water currents or change in direction of the tow, causes the ring means to slide along the track thereby changing the position of the hooking mechanism on the lure.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: February 3, 1987
    Assignee: Dolly Varden Fishing Lures
    Inventor: Dale C. Smith