US Patents
4,738,324
Self-adjusting weighing system
4,828,057
Leaf spring
4,862,978
Combination dust cover and air screen
4,862,979
4,869,331
Leaf Spring
4,874,051
5,150,759
Capacitor-sensor
5,167,290
Springs for use in a compact self-adjusting weighing system
5,183,124
Compact self-adjusting weighing system having stable measurement resolution
European Patents
EP555,404 (also filed as 5,150,759 - WO9208110 - AU9030991 )
Improved Capacitor Sensor
in Belgium
in Germany
in Switzerland
US Trademarks
1,699,984
Gemscale 50
1,669,277
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