RC

Robert A. Chrestenson

🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,563,451 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8011606 Portable system and method for separating and recycling gypsum and non-ferrous waste discharge from a steady stream of comminuted gypsum wallboard 2011-09-06
6186449 Waste discharge conduit support 2001-02-13
5630556 Portable apparatus for comminuting gypsum wallboard 1997-05-20