Patents by Inventor Carl-Erik M. Rosen

Carl-Erik M. Rosen 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: 5224700
    Abstract: A pitch-mark repair tool used for repairing pitch-marks made on greens when playing golf is provided with a timing device which allows specific time periods applicable to a game of golf, such as the five-minute rule, to be measured objectively and simply with the specific advantage of being a non-disturbing yet readily usable piece of equipment which is required in general to be carried by all golfers. The repair tool timing device has operating buttons which are on the pitch-mark repair tool and which can be recessed and of such a size and shape that unintentional activation of the timing device is prevented when using the tool purely to repair a pitch-mark.
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: July 6, 1993
    Inventor: Carl-Erik M. Rosen