Patents/Inventors

Fredric Goldstein

NackaSE4 patents

5 Patents

US123773312025
Tennis Net Tension System Including Service Let Indication Feature
Group One Limited
0 cites
US123578922025
Tennis Single Stick with Net Cable Support
Group One Limited
0 cites
US119448812024
Tennis Net Tension System Including Service Let Indication Feature
Group One Limited
0 cites
US117382482023
Tennis Net Tension System Including Service Let Indication Feature
Group One Limited
0 cites
US117211022023
Tennis Integrity Match Fixing Identification System
Group One Limited
0 cites