Search Results for: Projection screens
(class / ) magnetically propelled object (class / ) electrically self-propelled object (class / ) object propelled by impact, projection, or reaction force (e.g., spring, fluid jet, wind, etc.)
(class / ) magnetically propelled object (class / ) electrically self-propelled object (class / ) object propelled by impact, projection, or reaction force (e.g., spring, fluid jet, wind, etc.)...
https://patents.justia.com/patents-by-us-classification/463