Non magnetic mateial additives and processes for controling the thermoelastic modulus and spring stiffness within springs for precision instruments
EP2062101A2
Thermally compensating balance wheel
GB0701299D0
Temperature compensating balance wheel appendages
GB0617662D0
Memory material temperature compensating balance wheel and shape changing elements and appendages
WO2006123095A2
Balance spring, regulated balance wheel assembly and methods of manufacture thereof
EP1678562A2
Balance wheel, balance spring and other components and assemblies for a mechanical oscillator system and methods of manufacture
GB0520481D0
Balance wheel, balance spring and other components and assemblies for a mechanical oscillator system and method of manufacture
FR2842313A1
Mechanical oscillator (balancing system and spiral spring) in materials for reaching a higher level of precision, applied to a watchmaking movement or other precision instrument