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Patents for Frank A. Heilman | |||||
Number | Date | Patentee | Title | Type | |
1,962,715 | Jun. 12, 1934 | F.A. Heilman | Vibrating riveter control | riveting machines | |
1,966,295 | Jul. 10, 1934 | F.A. Heilman | Rotary vibrating riveter | riveting machines | |
2,126,427 | Aug. 09, 1938 | H.L. Turnquist, F.A. Heilman | Roll holder for rivet spinning machines | riveting machines |