DE

David P. Engvall

IT Irwin Industrial Tool: 19 patents #7 of 165Top 5%
BD Black & Decker: 2 patents #1,029 of 2,138Top 50%
FI Figgie Inernational: 1 patents #55 of 147Top 40%
NT National Institute Of Standards And Technology: 1 patents #8 of 107Top 8%
📍 Stanley, NC: #3 of 59 inventorsTop 6%
🗺 North Carolina: #1,436 of 45,564 inventorsTop 4%
Overall (All Time): #134,800 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5913379 Articulated aerial work platform system Paul E. Young 1999-06-22
5394959 Scissor lift apparatus for work platforms and the like Richard E. Cullity 1995-03-07
5178354 Tube holder and method of using the same 1993-01-12