John Heinowski boxer
- bouts
- 14
- won
- 3
- lost
- 10
- draw
- 1
- Status
- inactive
- Division
- light heavyweight
- Debut
- 1945-04-16
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1950-10-24 | Harold Williams | W | Dollar Top Club, Milwaukee | LOST Technical knockout |
| 1949-10-07 | John Hardy | LLWWWW | Auditorium, Milwaukee | LOST KO |
| 1949-10-01 | John Hardy | LLLWWW | Appleton High School Gym, Appleton | LOST Points |
| 1949-09-13 | Leonard Finger | LLWWW | Ron De Voo, Milwaukee | LOST Points |
| 1949-07-26 | Bill Helewig | debut | Goodland Field, Appleton | WIN Points |
| 1949-04-25 | Bob Thelen | debut | Auditorium, Milwaukee | LOST KO |
| 1949-03-09 | Dick Thelen | WWWWWL | Ron De Voo, Milwaukee | LOST Points |
| 1949-03-05 | John Hardy | WLLLL | Appleton High School Gym, Appleton | LOST Unanimous decision |
| 1949-02-24 | Frank Salek | debut | Avalon Arena, La Crosse | WIN KO |
| 1948-04-08 | Bob Kuehler | debut | South Park Gymnasium, Oshkosh | WIN KO |
| 1947-01-20 | Tom Klymyk | WWWWWL | Marigold Gardens, Chicago | LOST Points |
| 1946-09-27 | Lee Carter | WWWLW | Auditorium, Milwaukee | LOST KO |
| 1945-07-02 | Jack Hill | LWWWLW | Marigold Gardens Outdoor Arena, Chicago | LOST KO |
| 1945-04-16 | Tom Mitchell | L | Marigold Gardens, Chicago | DRAW Points |