Patents Assigned to Gesellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
  • African violet plant
    Patent number: PP4296
    Abstract: An African violet having strong stems and 10-12 large pink flowers on each stem. The cultivar is a vigorous grower and is saleable with the first flash of flowers in 7-9 weeks, and full flowering 8-10 weeks.
    Type: Grant
    Filed: April 12, 1977
    Date of Patent: September 5, 1978
    Assignee: Gesellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4302
    Abstract: An African violet plant having relatively large star-shaped flowers having a deep red flower color; shiny foliage; fast and vigorous growth; very strong and upright stems, and long blooming period.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: September 19, 1978
    Assignee: Gesellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4303
    Abstract: An African violet cultivar having vigorous growth and generally purple flowers and medium green leaves. The cultivar has 10-15 upright and strong flower stems, with each stem carrying up to 10 flowers, thereby providing a very strong and full flowerhead.
    Type: Grant
    Filed: April 12, 1977
    Date of Patent: September 19, 1978
    Assignee: Gesellschaftsvertrag uber die Erfindergemeinschaft "Optimara"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4373
    Abstract: An African Violet known by the cultivar name Alabama and particularly characterized by its flower color, which is predominantly white, with blue-purple centers and edges, wavy and frilled flower edges; vigorous growth habit, and by its flower production, with up to 10 individual flowers being carried on each flower stem.
    Type: Grant
    Filed: May 31, 1978
    Date of Patent: February 6, 1979
    Assignee: Gesellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4433
    Abstract: An African violet named Minnesota having large star-shaped, non-dropping red-purple flowers, strong upright flower stems, with 5-7 flowers on each stem and 10-12 stems on each plant, dark green leaves, and vigorous growth habit.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: July 10, 1979
    Assignee: Gesellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp
  • African violet plant
    Patent number: PP4498
    Abstract: An African violet known by the cultivar name Oregon and characterized by the combined features of large, non-dropping pink flowers with frilled edges, with a few flowers tending to semi-double; strong upright flower stems, and up to nine flowers per stem with the first flash of flowers, which occurs approximately eight weeks after potting.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: January 29, 1980
    Assignee: Gesellschaftsvertrag uber die Erfindergemeinschaft "OPTIMARA"
    Inventor: Reinhold Holtkamp