|
DE2820044A1
|
|
THROW RESULTS EVALUATION DEVICE AT A BOWLING LIGHT
|
|
DE2751011A1
|
|
Electrically operated score board for bowling alley - has logic circuit to sum scores from switches actuated by fallen skittles
|
|
CH619619A5
|
|
Ball lift for a skittle alley
|
|
CH609874A5
|
|
Display device for a skittle-alley
|
|
DE2629628A1
|
|
Bowling alley with automatic ball return - has vertical elevator with lifting bars for raising ball to return chute
|
|
ATA409976A
|
|
Taper adjustment
|
|
CH591264A5
|
|
Skittle alley noise prevention - using acoustic waterproof rubber bend between playing surface and foundation and expansion grooves round play surface
|
