Inventor
BRUNK JONATHAN
US7 patents
Patents
7 patentsUSD987424SMay 30, 2023
Self-piercing clinch washer
PENN ENG & MFG CORP5 citations72
US10801535B2Oct 13, 2020
Self-piercing fastener
PENN ENG & MFG CORP3 citations68
US10968943B2Apr 6, 2021
Self-clinching floating fastener
PENN ENG & MFG CORP4 citations66
US11149775B2Oct 19, 2021
Easily removeable push-on spring nut
PENN ENG & MFG CORP0 citations60
US11549531B2Jan 10, 2023
Multi-clinch fastener insert
PENN ENG & MFG CORP1 citations58
US11561567B2Jan 24, 2023
Push button
PENN ENG & MFG CORP0 citations47
US11467619B2Oct 11, 2022
Push button device
PENN ENG & MFG CORP0 citations47