JG

John H. Gilner

IP Inland Concrete Products: 3 patents #1 of 3Top 35%
📍 Redlands, CA: #1 of 14 inventorsTop 8%
🗺 California: #8,414 of 66,859 inventorsTop 15%
Overall (2021): #77,355 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11199006 Slab bolster with improved connector system G. Douglas Hartzheim, Steven R. Wilbur 2021-12-14
D932285 Support chair for poured concrete reinforcement members G. Douglas Hartzheim, Steven R. Wilbur 2021-10-05
D923775 Hygienic face mask G. Douglas Hartzheim, Steven R. Wilbur 2021-06-29