AB

April L. Beisiegel

TB The Boeing: 7 patents #1,574 of 15,756Top 10%
📍 Freeburg, IL: #3 of 18 inventorsTop 20%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #749,776 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7770457 Pseudo porosity reference standard for metallic interleaved composite laminates Roger W. Engelbart, Christopher M. Vaccaro 2010-08-10
7762120 Tapered ultrasonic reference standard Christopher M. Vaccaro, David A. Lilienthal 2010-07-27
7752882 Porosity reference standard utilizing a mesh Christopher M. Vaccaro, Ron DeFonce 2010-07-13
7694546 Porosity reference standard utilizing one or more hollow, non-cylindrical shafts Roger W. Engelbart, Christopher M. Vaccaro 2010-04-13
7617714 Pseudo porosity reference standard for cored composite laminates Roger W. Engelbart, Christopher M. Vaccaro 2009-11-17
7509832 Porosity reference standard utilizing one or more discrete wires Christopher M. Vaccaro, David A. Lilienthal 2009-03-31
7357014 Porosity reference standard utilizing one or more discrete wires Christopher M. Vaccaro, David A. Lilienthal 2008-04-15