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Franz Plasser Bahnbaumaschinen Industrie GmbH

Franz Plas
Active Patents
0
Total Holdings
7

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US5222435A Track renewal Expired / Lapsed 1992-08-05 1993-06-29 11 Details
US4040292A Method and apparatus for indicating the density of ballast Expired / Lapsed 1975-12-24 1977-08-09 12 Details
US3939331A Railroad track survey apparatus Expired / Lapsed 1974-03-18 1976-02-17 19 Details
US3821932A Apparatus for indicating and correcting a track position de… Expired / Lapsed 1972-09-28 1974-07-02 25 Details
US3750299A Track apparatus with laser beam reference Expired / Lapsed 1971-08-30 1973-08-07 28 Details
US3545384A Method and apparatus for correcting the position of a track Expired / Lapsed 1968-05-14 1970-12-08 0 Details
US3469534A Mobile track liner and tamper Expired / Lapsed 1967-09-20 1969-09-30 0 Details