DM

David A. Metzger

📍 Mansfield, OH: #35 of 264 inventorsTop 15%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #954,911 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11331251 Method and system for selective hair brightening Avraham Stern 2022-05-17
5319852 Lubricating safety razor holder 1994-06-14
4899896 Container pressurizing apparatus 1990-02-13
4624689 Pneumatic shock wave generator for cleaning filter cartridges Michael Volk, Donald H. Ostby, Robert R. Ostby 1986-11-25
4445912 Effluent air filtration apparatus Michael Volk, Donald H. Ostby, Robert R. Ostby 1984-05-01