Inventor · disambiguated record

Fredrick L. Drain

Also filed as: DRAIN FREDRICK L

1 granted patent·7 citations·filing 1986–1986

29Inventor score

Technology areasH04N

Files withNETEXPRESS SYSTEMS INC1

Top patents by PatentIndex Score

1 record

0138US4794461AMethod and apparatus for block coding vertical mode codes for enhanced compression of image dataNETEXPRESS SYSTEMS INC·Filed 1986·Granted Dec 27, 1988·7 cites·18 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →