RL

Roger W. Lehrkamp

IN Inpro: 6 patents #5 of 19Top 30%
📍 Milwaukee, WI: #435 of 2,770 inventorsTop 20%
🗺 Wisconsin: #7,853 of 40,088 inventorsTop 20%
Overall (All Time): #856,588 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8720090 Sign display system which accommodates interchangeable panels in a tamper resistant manner 2014-05-13
8533910 Bendable track and flexible carrier for curtains Matthew G. Bennett 2013-09-17
8533911 Safety loading unit for ceiling track with easy to use latching 2013-09-17
8371081 Corner guard Matthew G. Bennett 2013-02-12
D661533 Bendable track for suspension of curtains Matthew G. Bennett 2012-06-12
D447579 Protective wall base extrusion 2001-09-04