Assignee
ATB SPA
IT·9 granted patents·96 citations·filing 1979–1997
Top patents by PatentIndex Score
9 records- 0175US4639967ATape wiping brush, particularly for magnetic tape cassettes and the likeATB SPA·Filed 1984·Granted Feb 3, 1987·18 cites·8 claims
- 0274US4780782AMagnetic tape backing leaf spring particularly for magnetic tape cassettesATB SPA·Filed 1986·Granted Oct 25, 1988·21 cites·9 claims
- 0368US4456344AFresnel lens, and a method and mold for manufacturing itATB SPA·Filed 1981·Granted Jun 26, 1984·23 cites·1 claims
- 0465US4899243AFlat spring structure for magnetic tape cassettes, in particular video cassettesATB SPA·Filed 1987·Granted Feb 6, 1990·14 cites·9 claims
- 0547US4881146AMask for magnetic tape cassettesATB SPA·Filed 1987·Granted Nov 14, 1989·7 cites·9 claims
- 0645US4573095AMagnetic tape backing leaf spring assembly particularly for compact cassettesATB SPA·Filed 1979·Granted Feb 25, 1986·5 cites·4 claims
- 0735US4974108AElastic element structure for the reel retention ratchet gear in magnetic tape cassettesATB SPA·Filed 1988·Granted Nov 27, 1990·3 cites·6 claims
- 0835US4882645AMask structure for cassettes of magnetic tapeATB SPA·Filed 1987·Granted Nov 21, 1989·3 cites·2 claims
- 0933US5992200AApparatus for bending laminations in general and computer diskette sliding covers in particularATB SPA·Filed 1997·Granted Nov 30, 1999·2 cites·10 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →