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| Patents for Justine E. Kossman | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,312,610 | Aug. 12, 1919 | P.E. Chapman, R.H. Robinson | Variably pitched and actuated bell | fire alarms | |
| 1,396,728 | Nov. 15, 1921 | P.E. Chapman | Unreeling and tension device | electric motor making | |
| 1,500,181 | Jul. 08, 1924 | P.E. Chapman | Armature and coil winding machine | wire winding machines | |
| 1,523,630 | Jan. 20, 1925 | P.E. Chapman | Armature-winding machine | electric motor making | |
| 1,541,626 | Jun. 09, 1925 | P.E. Chapman | Taping machine | electric motor making | |