Inventor

KALKANCI IMIR

US2 patents

Patents

2 patents

US12493888B2Dec 9, 2025

Identifying and grading system and related methods for collectible items

COLLECTORS UNIVERSE INC0 citations56

US12141817B2Nov 12, 2024

Identifying and grading system and related methods for collectable items

COLLECTORS UNIVERSE INC1 citations56