Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MH

Mark E. Hayford — 2 Patents

WSWacker Silicones: 2 patents #9 of 38Top 25%
Blissfield, MI: #8 of 22 inventorsTop 40%
Michigan: #35,377 of 86,293 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mark E. Hayford has been granted 2 US patents while listed as an inventor at Wacker Silicones. The first was granted in 1991 and the most recent in January 1993. Mark E. Hayford ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mark E. Hayford in Blissfield, MI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5182142 Method for forming a transparent coating on rubber articles George M. Hart 1993-01-26
5066703 Transparent coating for rubber articles George M. Hart 1991-11-19