Henry Joseph Gritzbach
Birthplace: N. Adams, Massachusetts
Born: August 24, 1897
Died: August 3, 1971
Hank Gritzbach
Henry Joseph Gritzbach
Birthplace: N. Adams, Massachusetts
Born: August 24, 1897
Died: August 3, 1971
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| Track | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Altamont | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ?? | 0 |
| Reading | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Thompson | 2 | 0 | 0 | 0 | 0 | 0 | 0 | ?? | 0 |
| Williams Grove | 1 | 0 | 0 | 0 | 0 | 0 | 0 | ?? | 0 |
| Chassis | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Unknown | 4 | 1 | 0 | 0 | 0 | 0 | 0 | ?? | 0 |
| Engine | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| HAL | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 |
| Unknown | 4 | 0 | 0 | 0 | 0 | 0 | 0 | ?? | 0 |