Ive only got 1 myself. In the US they were called the Minuteman. This one of mine has the Grothaus Marking on the Butt, which means it came through them (Dutch Importer).
http://www.network54.com/Forum/575767/message/1230852675/F-E-G++Airguns-++Relum%2C+Jelly+etc-+++Cont-
Grant.