Inventor
MUSSELMAN GREGORY
US5 patents
Patents
5 patentsUS11220838B2Jan 11, 2022
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC2 citations71
US12467277B2Nov 11, 2025
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC0 citations61
US12560015B2Feb 24, 2026
Door hardware noise reduction and evaluation
SCHLAGE LOCK CO LLC0 citations50
US12410636B2Sep 9, 2025
Exit device coordination mechanisms
SCHLAGE LOCK CO LLC0 citations49
US12435540B2Oct 7, 2025
Exit device with self-adjusting coupling mechanism
SCHLAGE LOCK CO LLC0 citations44