Inventor
FOSTER RUTH E
US6 patents
⚠️ This page may combine multiple inventors who share the name “FOSTER RUTH E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV MINNESOTA
5 patentsUS4838206AJun 13, 1989
Combination collar and muzzle humane training aid
UNIV MINNESOTA37 citations91
US4741288AMay 3, 1988
Combination collar and muzzle humane training aid
UNIV MINNESOTA23 citations81
US4621591ANov 11, 1986
Combination collar and muzzle humane training aid
UNIV MINNESOTA25 citations81
US5088272AFeb 18, 1992
Attachable guide ring for dog head collars
UNIV MINNESOTA12 citations72
US4941313AJul 17, 1990
Humane training aid with adjustable muzzle loop having an adjustable locking device
UNIV MINNESOTA15 citations72