Inventor

KOPELKE PAMELA ANN

US3 patents

Patents

3 patents

US10410547B2Sep 10, 2019

Placard fastener

J J KELLER & ASS INC7 citations77

US11276331B1Mar 15, 2022

Flexible placard holder

J J KELLER & ASS INC3 citations66

US10204533B2Feb 12, 2019

Placard fastener

J J KELLER & ASS INC5 citations66