| Patents for A. H. Gertner |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 302,553 | Jul. 29, 1884 | W.K. Freeman | Electric Arc Lamp | electric arc lamps |
| 302,554 | Jul. 29, 1884 | W.K. Freeman | Armature for Dynamo Electric Machines or Motors | electric motors |
| 302,555 | Jul. 29, 1884 | W.K. Freeman | Armature for Dynamo Electric Machines or Motors | electric motors |
| 302,556 | Jul. 29, 1884 | W.K. Freeman | Field of Force Magnet for Dynamo Electric Machines | electric generators |
| 302,557 | Jul. 29, 1884 | W.K. Freeman | Armature Winding for Dynamo Machines | electric generators |
