DH

Dave C. Hempfling

Illinois Tool Works: 4 patents #925 of 4,258Top 25%
📍 Chicago, IL: #2,537 of 13,327 inventorsTop 20%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,039,543 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6729522 Fastener driving tool having improved bearing and fastener guide assemblies Larry Reinebach, Dan McAuley 2004-05-04
6382892 Wall anchor with improved drilling tip 2002-05-07
6293744 Fastener system including a fastener and a cap George G. Dewey, Sigismund G. Paul 2001-09-25
5707191 Stress plate with angled hole Riaz Hasan 1998-01-13
5562380 Protective seam plate Parimal M. Vadhar, Ronald Huffmon 1996-10-08