PL

Patrick W. Langvardt

The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,304,207 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5242471 Coupling capillary gas chromatography to traditional liquid chromatography detectors Dan A. Markham 1993-09-07
5166073 Miniaturized sensor for ionizing radiation Steven M. Lefkowitz, Mary Anne Leugers, Steven J. Brownell, Deborah C. Helmer, Patrick E. Kastl +1 more 1992-11-24