Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ball throwing machine and system having three individually controllable wheel speeds and angles

Ball throwing machine and system having three individually controllable wheel speeds and angles

US Patent 4442823 · Granted Apr 17, 1984

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Auto-focusing fluid cell optical system2022
Variable power fluid cell optics for countering presbyopia and/or astigmatism2020
Lens arrangement with fluid cell and prescriptive element2004
Fluid filled and pressurized lens with flexible optical boundary having variable1997
Scan and tilt apparatus for an ion implanter1995
End station for a parallel beam ion implanter1993
Traction drive for traveling torch or the like1984