Number | Name | Date | Kind |
---|---|---|---|
3797427 | Schwartzman | Mar 1974 | |
3995431 | Schwartzman | Dec 1976 | |
4403477 | Schwarzenbach | Sep 1983 |
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Lamm, Michael; "The Big Engine That Couldn't" American Heritage of Invention & Technology, Winter 1993 vol 8/No. 3 pp. 40-47; Forbes Inc., Forbes Bldg 60 Fifth Avenue New York, N.Y. 10011; Plus 4 Pages of Inventors Calculations. |
Faires, Virgil Moring; "Applied Thermodynamics," The Macmillan Co. New York , 1949, Copyright 1947 pp. 68, 69, 71, 72, 73, 97, & 128. |