Inventor
BOURGRAF ELROY EDWIN
US5 patents
⚠️ This page may combine multiple inventors who share the name “BOURGRAF ELROY EDWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FERNO WASHINGTON
4 patentsUS6381781B1May 7, 2002
Combination ambulance cot and chair
FERNO WASHINGTON70 citations91
US7131151B2Nov 7, 2006
Multiple level roll-in cot
FERNO WASHINGTON38 citations89
US6681424B1Jan 27, 2004
Tilt-top mortuary cot
FERNO WASHINGTON32 citations88
US7302718B2Dec 4, 2007
Multiple level roll-in cot
FERNO WASHINGTON14 citations80