Patent Explorer

Browse, filter, and analyze 1 patents across global jurisdictions.

📥 Export to Excel (.xlsx) + Ingest New Patent
Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3997729A Pseudo-random sequencing for speech predictive encoding communications system Comsat Corp Expired / Lapsed 1975-07-25 1976-12-14 1995-07-25 0.0 yrs 7