Inventor
KULTALA DAVID
US5 patents
Patents
5 patentsUS10675521B2Jun 9, 2020
Adjustable length shaft and an adjustable mass for a golf club
KARSTEN MFG CORP3 citations69
US12194354B2Jan 14, 2025
Adjustable length shaft and an adjustable mass for a golf club
KARSTEN MFG CORP0 citations59
US11224786B2Jan 18, 2022
Adjustable length shaft and an adjustable mass for a golf club
KARSTEN MFG CORP0 citations59
US10940376B2Mar 9, 2021
Method of manufacturing a system of golf clubs
KARSTEN MFG CORP0 citations59
US10112086B2Oct 30, 2018
Ascending weight iron shaft system
KARSTEN MFG CORP1 citations49