DH

David W. Hanson

FA Fabcon: 7 patents #2 of 26Top 8%
Overall (All Time): #649,999 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8701552 Forming device for articles of food 2014-04-22
5318426 Brick imprinting apparatus Richard C. Nash, Lloyd Barthel, James Barthel, Michael A. Lynch 1994-06-07
4644727 Strand chair for supporting prestressing cable and cross-mesh in elongated precast concrete plank Richard R. Koehn, Richard C. Nash, Lonnie G. Fox 1987-02-24
4457682 Machine for casting concrete members Richard C. Nash, Richard R. Koehn 1984-07-03
4398761 Device for lifting and tilting concrete panels Richard C. Nash, Richard R. Koehn 1983-08-16
4369153 Machine for casting concrete members Richard C. Nash, Richard R. Koehn 1983-01-18
4360333 Aggregate exposing machine Lonnie G. Fox, Richard C. Nash 1982-11-23
4329184 Rock aggregate core material washing and recycling 1982-05-11