Inventor · disambiguated record
David J. Hatgas
Also filed as: HATGAS DAVID J · MARGOT CARRIE D
3 granted patents·50 citations·filing 1991–2003
70Inventor score
Technology areasE04D
Top patents by PatentIndex Score
3 records- 0166USD333955STip for a dispenser of caulking, adhesive or sealantASHLAND OIL INC·Filed 1991·Granted Mar 16, 1993·16 cites·1 claims
- 0261US6305143B1Composite roof structures prepared using one-part moisture curing polyurethane foaming adhesive compositions containing a reversibly blocked catalystASHLAND INC·Filed 1999·Granted Oct 23, 2001·33 cites·6 claims
- 0347USRE39764EComposite roof structures prepared using one-part moisture curing polyurethane foaming adhesive compositions containing a reversibly blocked catalystASHLAND INC·Filed 2003·Granted Aug 14, 2007·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →