1. M.L. Anson, and M. Pader, 1968 . Chewy protein gel derived from heat denaturable oilseed protein. U.S. Patent 2,830,902.
2. E.A. Balmaceda, 1973 . The spinning of edible protein fibers . Ph.D. thesis , University of Massachusetts, Amherst, Mass.
3. R.A. Bayer, 1954 . Oriented edible protein fibers made by stretching filaments. U.S. Patent 2,682,466.
4. R.K. Dudman, 1957 . Eliminating use of extraneous binder. U.S. Patent 2,785,069.