Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Joseph Insull | |||||
Number | Date | Patentee | Title | Type | |
480,739 | Aug. 16, 1892 | H.F. Parshall | Commutator for electro-magnetic machines | motor commutators | |
480,740 | Aug. 16, 1892 | H.F. Parshall | Armature for dynamo-electric machines | motor armatures |