Patents Represented by Attorney P. Scott Maclean
  • Patent number: 6069209
    Abstract: Chelating resins for use in selectively binding heavy metals, having the structure ##STR1## where Ps represents a poly(divinylbenzene), and R represents an organic radical containing at least one N and/or S atoms but not a C--OH group, that is bound to the S atom. The preparation of these chelating resins is also disclosed.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: May 30, 2000
    Inventors: Graham Darling, Lise Hubbard
  • Patent number: 5517944
    Abstract: A feeder for poultry comprising a feed tray, a feed supply stack secured on the tray and audio conveying means to facilitate dispersion of feeding behavior enhancing sounds from the stack a feeding period.
    Type: Grant
    Filed: October 7, 1994
    Date of Patent: May 21, 1996
    Assignee: University of Prince Edward Island
    Inventors: Luis Bate, Wendell E. Dawson
  • Patent number: D369670
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: May 7, 1996
    Inventor: Lorne Queen
  • Patent number: D370266
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: May 28, 1996
    Inventor: Lorne Queen
  • Patent number: D395715
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: June 30, 1998
    Inventor: Lorne Queen