Inventor · disambiguated record

P. Ralph Helm

Also filed as: HELM P RALPH

1 granted patent·46 citations·filing 1988–1988

48Inventor score

Technology areasB66C

Files withMANITOWOC CO1

Top patents by PatentIndex Score

1 record

0184US4953722ACrane and lift enhancing beam attachment with moveable counterweightMANITOWOC CO·Filed 1988·Granted Sep 4, 1990·46 cites·37 claims

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