HL

Harry P. Laffkas

📍 Fort Wayne, IN: #416 of 1,899 inventorsTop 25%
🗺 Indiana: #8,550 of 33,936 inventorsTop 30%
Overall (All Time): #1,296,936 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5253722 Impact borer for embedding lines, anchoring cables and sinking wells 1993-10-19
5249634 Impact borer for embedding lines, anchoring cables, and sinking wells John C. Bueter, Randall T. Fields, Martin D. Chandler, Frederick W. Neuls 1993-10-05
5161626 Method for embedding lines, anchoring cables, and sinking wells 1992-11-10
5109932 Impact borer, connector for embedding lines, anchoring cables, and sinking wells John C. Bueter, Randall T. Fields, Martin D. Chandler, Frederick W. Neuls 1992-05-05