DP

David M. Pittman

GM Graco Minnesota: 3 patents #150 of 381Top 40%
GR Graco: 1 patents #70 of 149Top 50%
HC Harley-Davidson Motor Company: 1 patents #284 of 535Top 55%
MT Milwaukee Electric Tool: 1 patents #771 of 1,087Top 75%
📍 Sussex, WI: #38 of 229 inventorsTop 20%
🗺 Wisconsin: #7,853 of 40,088 inventorsTop 20%
Overall (All Time): #789,540 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12429213 Power tool utilizing optical fibers to output light Brandon S. Bell, Zachary Jankowski, Riley G. F. Jones, Torrin T. Santy, Ian C. Mckay 2025-09-30
10974783 Exhaust shield assembly Daniel Lehrbaum, Scott Nash, Michael L. Welliver, Gary Zinser 2021-04-13
8851111 Electronic proportioner using continuous metering and correction Vu K. Nguyen 2014-10-07
8568112 Reciprocating piston pump with air valve, detent and poppets Mark L. Bauck, John F. Isais, Mark T. Weinberger, Michael E. Bloom 2013-10-29
6896152 Electronic plural component proportioner Adam Friedrich 2005-05-24
6168308 Mechanical proportioner Kenneth E. Lehrke, John F. Isais, Vicky J. Peterson, Adam Friedrich 2001-01-02