Alan Ivanov

Matthew Arnold

Mary Penrose Arnold

Edward Schroeder Prior

Hebe Catherine Prior

John Venn Prior

Charles Voysey

Buckminster Fuller

Caroline Wolcott Andrews

Richard Buckminster Fuller

U.S. Patent 3,139,957

U.S. Patent 3,080,583

U.S. Patent 3,063,521

U.S. Patent 2,986,241

U.S. Patent 2,914,074

U.S. Patent 2,905,113

U.S. Patent 2,881,717

U.S. Patent 2,682,235

U.S. Patent 2,393,676

U.S. Patent 2,351,419

U.S. Patent 2,343,764