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Inventors
Johannes Stempfhuber
Utting am Ammersee
DE
2 patents
2 Patents
US12552007
2026
Systems That Comprise Power Tools and Energy Supply Devices, and Energy Supply Device
Hilti Aktiengesellschaft
0 cites
US11699870
2023
Spring Contact on a Rechargeable Battery
Hilti Aktiengesellschaft
0 cites