Gun for a virtual reality system

Kurtis Sparing, Gary Cauble, Eric M. Yeates, James K. Bentley, Robert A. Kincaid, Clifton L. Cook, Thomas M. Gregory, Birten L. Todd, Firearm forend and thumbhole stock ,(2010)

Benjamin A. Stack, Elastic band launcher ,(2016)

Simon B. Stevens, Compressed gas gun ,(2013)