Patents by Inventor Robert H. Wittenberg

Robert H. Wittenberg 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: 6289828
    Abstract: There is provided a manually operated seeding and tilling device having a tubular feed shaft equipped with a seed retaining chamber, a portal for loading the chamber with seeds, a handle for rotating a shaft about an orbital axis, a tined tilling member positioned at a distal end of the shaft and a seed valve regulating device for regulating the dispensing of seeds from the seed chamber. The tined tilling member serves to churn the soil such as ungrassed patches into a fluffy and uncompacted churned seed bed by rotating the shaft and tined members about its vertical axis with the handle. The rotating tines are then used to churn the seed dispensed from the device into the finished seed bed.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: September 18, 2001
    Inventor: Robert H. Wittenberg