MC

Marlin D. Crown

NM National Manufacturing: 4 patents #7 of 16Top 45%
📍 Sycamore, IL: #47 of 168 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,303,032 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4829794 Padlock 1989-05-16
4784416 Door latch James R. Johnston 1988-11-15
4732418 Knob latch James A. Edeus 1988-03-22
4643469 Gate latch James R. Johnston 1987-02-17