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Alfred T. Dietrich

OD Overhead Door: 5 patents #19 of 173Top 15%
📍 Marion, OH: #23 of 122 inventorsTop 20%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #1,045,240 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6478308 Replaceable door seal and retainer assemblies Kenneth L. McMillin 2002-11-12
6158171 Swing door seal and retainer assembly having a seal with interior webs Charles Kellogg 2000-12-12
5472306 Retractable vehicle ramp with lift assist Donald E. Stoll 1995-12-05
5435104 Seal assembly for retractable door 1995-07-25
5340267 Retractable vehicle ramp with lift assist Donald E. Stoll 1994-08-23