GH

G. Douglas Hartzheim

IP Inland Concrete Products: 13 patents #1 of 3Top 35%
AA Aztec Concrete Accessories: 3 patents #2 of 10Top 20%
📍 Yucaipa, CA: #5 of 120 inventorsTop 5%
🗺 California: #30,698 of 386,348 inventorsTop 8%
Overall (All Time): #232,515 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
D1033211 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2024-07-02
D1031416 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2024-06-18
D1027617 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2024-05-21
D1019351 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2024-03-26
D948993 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2022-04-19
D944072 Spacer wheel for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2022-02-22
D939934 Spacer wheel for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2022-01-04
11199006 Slab bolster with improved connector system John H. Gilner, Steven R. Wilbur 2021-12-14
D932285 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2021-10-05
D923775 Hygienic face mask John H. Gilner, Steven R. Wilbur 2021-06-29
D891231 Slab bolster assembly John H. Gilner, Steven R. Wilbur 2020-07-28
D889940 Support chair for poured concrete reinforcement members John H. Gilner, Steven R. Wilbur 2020-07-14
10604933 Slab bolster with improved connector system John H. Gilner, Steven R. Wilbur 2020-03-31
D428501 Chair Dale Haslem, Steve Wilbur, Marty Lancial 2000-07-18
6089522 Method and apparatus for supporting reinforcement members Dale Haslem, Steve Wilbur, Marty Lancial 2000-07-18
D421709 Tower chair Dale Haslem, Steve Wilbur, Marty Lancial 2000-03-21
D394200 Slab on grade chair 1998-05-12
D393997 Bolster bar 1998-05-05
5729949 Slab on grade chair 1998-03-24