| 4795201 |
Knotting method for baler |
Hubert Prellwitz, Christian Steglich, Astrid Kruger |
1989-01-03 |
| 4785730 |
Needle-protecting system for baler |
Karl-Heinz Kretschmer, Jurgen Rollich, Boto Kritzner, Gerhard Schindler, Egon Vilbrandt +1 more |
1988-11-22 |
| 4714204 |
Impeller-type cutter drum for a chopper |
Karl-Heinz Kretschmer, Jurgen Rollich |
1987-12-22 |
| 4592514 |
Field chopper with adjustable fan assist |
Karl-Heinz Kretschmer, Horst Schumacher, Jurgen Rollich |
1986-06-03 |
| 4525751 |
Disc record with tapered groove |
Edward J. Freeman, John Economou, John G. Pecorari, Jerome Barth Halter, Jack E. James +2 more |
1985-06-25 |
| 4431487 |
Matrixing apparatus and method for use in the manufacture of molded records |
Charles A. Weaver, Donald J. Wierschke |
1984-02-14 |
| 4429678 |
Cutting stylus for mechanically cutting masters for keel-lapping |
James H. Rainey, Pierre V. Valembois |
1984-02-07 |
| 4341952 |
Variable pitch grooved label for video disc |
Philip M. Heyman, David P. Bortfeld |
1982-07-27 |