DK

David A. Kay

OD Orthohelix Surgical Designs: 3 patents #21 of 40Top 55%
📍 Akron, OH: #355 of 1,966 inventorsTop 20%
🗺 Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #823,241 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10995549 Device for stabilising a ladder, and a ladder Daniel Seidel 2021-05-04
10368926 Osteotomy plate, plate driver and method for their use Jeffrey Johnson, Jackson R. Heavener 2019-08-06
9888949 Osteotomy plate, plate driver and method for their use Jeffrey Johnson, Jackson R. Heavener 2018-02-13
9572607 Osteotomy plate, plate driver and method for their use Jeffrey Johnson, Jackson R. Heavener 2017-02-21
4552536 Programmed learning textbook Andrew Kay 1985-11-12
4227924 Process for the production of vermicular cast iron Sundaresa V. Subramanian, Debabrata Ghosh, John M. Gray, Gary R. Purdy 1980-10-14