Inventor · disambiguated record
Donald J. Hellwig
Also filed as: HELLWIG DONALD J
3 granted patents·17 citations·filing 1980–1998
64Inventor score
Files withHELLWIG PRODUCTS COMPANY INC3
Top patents by PatentIndex Score
3 records- 0132US6158723AStabilizer for leaf spring suspension deviceHELLWIG PRODUCTS COMPANY INC·Filed 1998·Granted Dec 12, 2000·8 cites·21 claims
- 0226US5992831AStabilizer for leaf spring suspensionHELLWIG PRODUCTS COMPANY INC·Filed 1998·Granted Nov 30, 1999·8 cites·7 claims
- 0322US4345749AMultipurpose splint means for spring leaf assembliesHELLWIG PRODUCTS COMPANY INC·Filed 1980·Granted Aug 24, 1982·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →