Brunswick caused him to lack corporate investment needed to manufacture large numbers of duckpin pinsetters. Modern ten-pin bowling alleys have automatic or mechanical pinsetters. The game features many Brunswick labeled products such as Brunswick bowling balls and pinsetters. There are three families of string pinsetters. The early Mendes string pinsetters were pneumatic. The most common stop on string pinsetters is a string tangle. The Mendes family of string pinsetters is not as common as the PBS family. The newer brunswick design of modern Pinsetters has been changed in the mid 1980s. The first Bowl-Mor pinsetters were installed at the now-defunct Whalom Park amusement park in 1949. Beginning in the 1970s, modern pinsetters are integrated with electronic scoring systems of varying sophistication. String pinsetters can also be found on low-cost or recreational ten-pin lanes.