Patents by Inventor William C. Barr

William C. Barr 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: PP5656
    Abstract: A dwarf nandina having densely foliaged and ascending branches, resulting in a rounded, compact shape.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: February 4, 1986
    Assignee: Weyerhaeuser Company
    Inventor: William C. Barr
  • Patent number: PP5659
    Abstract: A freely branching dwarf nandina plant having a compact, globose habit.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: February 11, 1986
    Assignee: Weyerhaeuser Company
    Inventor: William C. Barr
  • Patent number: PP6616
    Abstract: A new and distinct variety of Nerium oleander L. generally similar in appearance to Nerium "Hardy Red" cultivar but having outstanding cold tolerance enabling cultivation in environments having USDA Zone 7 (0.degree.-10.degree. F.) winter conditions.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: February 21, 1989
    Assignee: Weyerhaeuser Company
    Inventor: William C. Barr
  • Patent number: PP7304
    Abstract: A new cultivar of Pittosporum tobira, commonly known as Mock Orange or Japanese Pittosporum, characterized by a compact form and appearance and lustrous dark green foliage. The outstanding feature of the new cultivar is a winter hardiness at least adequate for USDA Zone 8 (10.degree.-20.degree. F.) and possibly for USDA Zone 7 (0.degree.-10.degree. F.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: August 21, 1990
    Assignee: Weyerhaeuser Company
    Inventor: William C. Barr
  • Patent number: PP8635
    Abstract: The new plant is a hybrid Rhaphiolepis indica plant characterized by its unique deep purple foliage in winter that is a darker purple than any other Rhaphiolepis indica cultivar. It is also unique for its compact, low growth habit.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: March 8, 1994
    Assignee: Hines Nurseries, Inc.
    Inventor: William C. Barr
  • Patent number: PP29562
    Abstract: A new and distinct cultivar of Aspidistra plant named ‘Barr01’, characterized by its compact and upright plant habit; relatively vigorous growth habit; relatively rapid production of divisions; glossy medium green-colored leaves; and durability with good landscape performance.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: July 31, 2018
    Assignee: Greenleaf Nursery Company
    Inventor: William C. Barr