RL

Roger L. Langer

3M: 3 patents #78 of 1,133Top 7%
📍 Windom, MN: #15 of 283 inventorsTop 6%
🗺 Minnesota: #289 of 4,549 inventorsTop 7%
Overall (2002): #21,945 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6475340 Solid phase extraction membrane Kurt C. Carlson 2002-11-05
6458418 Method of making multilayer sheets for firestops or mounting mats Stephen M. Sanocki, Gary F. Howorth 2002-10-01
6365267 Multilayer intumescent sheet and pollution control device Stephen M. Sanocki, Gary F. Howorth 2002-04-02