Inventor · disambiguated record
Donald A. Happel
Also filed as: HAPPEL DONALD A
1 granted patent·57 citations·filing 2004–2004
49Inventor score
Technology areasB64D
Files withROCKWELL COLLINS1
Top patents by PatentIndex Score
1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →