DS

David J. Schram

SS S. C. Johnson & Son: 3 patents #5 of 96Top 6%
📍 Waterford, WI: #2 of 14 inventorsTop 15%
🗺 Wisconsin: #202 of 3,225 inventorsTop 7%
Overall (2002): #30,982 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6450419 Self contained liquid atomizer assembly Edward J. Martens, III, George A. Clark, Thomas A. Helf, Eric R. Navin, David A. Tomkins 2002-09-17
6446880 Replaceable reservoir for an atomizing apparatus John A. Boticki, Maryann Jashinske, Edward J. Martens, III 2002-09-10
6341732 Method and apparatus for maintaining control of liquid flow in a vibratory atomizing device Frederick H. Martin, Thomas A. Helf, Maryann Jashinske, David A. Tomkins, Edward J. Martens, III 2002-01-29