FJ

Frank J. Hierholzer, Jr.

EE Emerson Electric: 5 patents #214 of 1,374Top 20%
📍 Florissant, MO: #63 of 452 inventorsTop 15%
🗺 Missouri: #4,278 of 23,789 inventorsTop 20%
Overall (All Time): #1,065,938 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4443361 Silicon carbide resistance element Gerald L. Shelton 1984-04-17
4433233 Silicon carbide heating elements John A. Ancona, Gerald L. Shelton 1984-02-21
4426405 Method for producing improved silicon carbide resistance elements Gerald L. Shelton 1984-01-17
4328529 Silicon carbide igniters John A. Ancona, Gerald L. Shelton 1982-05-04
4302508 Silicon carbide elements John A. Ancona, Gerald L. Shelton 1981-11-24