DM

Donald J. Maylahn

DC Dm System Co.: 3 patents #3 of 7Top 45%
📍 Skokie, IL: #164 of 674 inventorsTop 25%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,302,085 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D311232 Ankle exerciser or similar article Denis Burke Drennan 1990-10-09
4372300 Cast wedge Denis Burke Drennan, Thomas R. Schleicher 1983-02-08
4315504 Elbow suspension device Dennis B. Drennan, Thomas R. Schleicher 1982-02-16
4186738 Heel supporting boot for bed patients Thomas R. Schleicher, Denis Burke Drennan 1980-02-05