DH

David B. Heinrich

Google: 3 patents #8,000 of 22,993Top 35%
📍 Columbus, OH: #1,065 of 3,880 inventorsTop 30%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,648,906 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5568729 Machine and method for making hardened confections having complementary parts joined in a unit Jack Spencer 1996-10-29
5447036 Rotary machine and method for making hardened confections of complementary parts 1995-09-05
5435143 Machine and method for making hardened confections having complementary parts joined in a unit 1995-07-25