JC

John D. Clapson

Overall (All Time): #1,656,559 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5181359 Shearhead reinforcement Palvinder Chana 1993-01-26
5090172 Shearhead reinforcement Palvinder Chana 1992-02-25
4707955 Screed rails 1987-11-24