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Filter: Subject of Inventors
Filter: Creator Name of McVicar, Angus B., 1903-1964
| Date: | 01 29 1946 |
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| Description: | Schoelkopf Manufacturing Company, 320 North 3rd Street, between East Johnson Street and Pennsylvania Avenue. Louis Schoelkopf invented and manufactured the... |
| Date: | 06 15 1927 |
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| Description: | Schoelkopf Manufacturing Company, manufacturers of Air-Lec power door operators. The doors are in an open position, view from indoors looking out towards t... |
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