Spark Plug (Patent No: 297412)

Inventor: Harder, James A.

Location: Bindloss

Comments: N/A

Description: James A. Harder, Bindloss, Alberta, Canada, 11th February, 1930. Filed 2nd April, 1929. Serial No. 348,755.

Claim,—1. A double ground spark plug including a pair of spaced transverse ground members at the bottom of the spark plug body/and an insulated sparking pin depending centrally to a point- between said transverse ground members and in spaced relation thereto.

2. A spark plug including a body having a pair of transverse ground wires extended across its lower end with both ends of each of said ground wires turned upwardly and connecting with said body; and an insulating sparking pin depending from within said body and having its lower extremity terminating between the central portions of said transverse ground wires and slightly spaced from each of said ground wires.

Claims allowed, 2.