John Henry Ludwig

SI Science Applications International: 1 patents #220 of 431Top 55%

📍 Glen Burnie, MD: #88 of 214 inventorsTop 45%

🗺 Maryland: #19,431 of 35,612 inventorsTop 55%

Overall (All Time): #3,272,244 of 4,157,543Top 80%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8071957	Soft chemical ionization source	Timothy P. Karpetsky, Daniel L. Schwarz, Stephen Charles Hope	2011-12-06