Inventor · disambiguated record
David J. Gelhar
Also filed as: GELHAR DAVID J
3 granted patents·33 citations·filing 2003–2006
70Inventor score
Technology areasA01C
Top patents by PatentIndex Score
3 records- 0161US7191965B2Material spreader and method for using sameROTO MIX LLC·Filed 2005·Granted Mar 20, 2007·9 cites·10 claims
- 0255US7172137B2Material spreader and method for using sameROTO MIX LLC·Filed 2003·Granted Feb 6, 2007·12 cites·13 claims
- 0352USD549755SProduct distributorWIETGREFE GARY W·Filed 2006·Granted Aug 28, 2007·12 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →