Arcuate gutter displacement for bumper bowling
Automatic ball thrower
Automatic bumper system for bowling
Ball lift assembly for ball return system of a bowling alley
Ball lift device and method
Bowling alley bumper system and method
Bowling alley recessed rail deflector
Bowling ball return gate apparatus and method
Bowling ball return mechanism
Bowling ball return systems and methods
Bowling bumper system and method of use and installation
Bowling bumper system with lowered leading edge
Bumper bowling game and erratically rollable weighted bowling ba
Collapsible ramp construction for handicapped bowlers
Convertible bowling lane
Convertible game table
Convertible, conventional or bumper, bowling lane
Convertible, conventional or bumper, bowling lane
Cover for the rails of a bowling ball return
Gutter connector splice and method of constructing same