DT

Ditmar K. Tillmann

HM Haworth Mfg.: 3 patents #4 of 9Top 45%
HA Haworth: 1 patents #217 of 362Top 60%
📍 Holland, MI: #373 of 1,299 inventorsTop 30%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,305,688 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4666223 Switchable receptacle unit 1987-05-19
4367370 Power panel system with selective multiple circuits Harold R. Wilson 1983-01-04
4277123 Raceway structure for power panel Richard G. Haworth, Harold R. Wilson 1981-07-07
4241965 Electrical connector for power panel system Harold R. Wilson 1980-12-30