In 1999, Roman Baldur, adjunct professor of mechanical engineering at the University of Waterloo, created the IBIS (Integrated Ballistics Identification System). It was a combination of a computer-enhanced bullet and cartridge identification system for comparing and identifying bullets after being fired. Originally from Poland, Roman was was an innovator and recipient of the Ernest C. Manning Innovations Award in the field of Forensic Science (1999).
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Privy Seat Patent
An 1886 patent for an attachment to a privy (outhouse) seat which would close the hole of the seat until the user was seated there.