Inventor
MACMILLAN RICHARD D
US11 patents
⚠️ This page may combine multiple inventors who share the name “MACMILLAN RICHARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KARSTEN MFG CORP
10 patentsUS10363466B2Jul 30, 2019
Golf club heads with cavities and inserts and related methods
KARSTEN MFG CORP20 citations93
US10300355B2May 28, 2019
Golf club heads with cavities and inserts and related methods
KARSTEN MFG CORP17 citations93
US10022601B2Jul 17, 2018
Golfl club heads with cavities and inserts and related methods
KARSTEN MFG CORP33 citations93
US10695629B2Jun 30, 2020
Golf club heads with cavities and inserts and related methods
KARSTEN MFG CORP13 citations85
US10675518B2Jun 9, 2020
Golf club heads with cavities and inserts and related methods
KARSTEN MFG CORP7 citations83
US11691059B2Jul 4, 2023
Adjustable putter shaft stiffener
KARSTEN MFG CORP2 citations72
US11278780B2Mar 22, 2022
Adjustable length shaft and an adjustable mass for a golf club
KARSTEN MFG CORP2 citations72
US11033789B2Jun 15, 2021
Golf club heads with cavities and inserts and related methods
KARSTEN MFG CORP3 citations72
US12274927B2Apr 15, 2025
Adjustable length shaft and an adjustable mass for a golf club
KARSTEN MFG CORP0 citations62
US11850486B2Dec 26, 2023
Adjustable length shaft and an adjustable mass for a golf club
KARSTEN MFG CORP0 citations62