Inventor · disambiguated record

Ronald J. Kern

Also filed as: KERN RONALD J

1 granted patent·23 citations·filing 1987–1987

41Inventor score

Technology areasH04M

Files withAT & T INFORMATION SYSTEMS INC1

Top patents by PatentIndex Score

1 record

0161US4959852ATelephone answering machine having solid state and magnetic tape storage for outgoing announcementsAT & T INFORMATION SYSTEMS INC·Filed 1987·Granted Sep 25, 1990·23 cites·16 claims

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Ronald J. Kern — Patent Inventor | PatentIndex