Inventor
BIDWELL ROBERT E
20 patents
⚠️ This page may combine multiple inventors who share the name “BIDWELL ROBERT E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEKNATEL INC
6 patentsUS4112948ASep 12, 1978
Surgical drainage system with pressure indicator and enclosed source of liquid
DEKNATEL INC54 citations96
US4105031AAug 8, 1978
Attachable expansion chamber for pleural drainage device
DEKNATEL INC67 citations96
US4015603AApr 5, 1977
Surgical drainage system with pressure indicator
DEKNATEL INC68 citations96
US4018224AApr 19, 1977
Underwater drainage device with dual collection chambers
DEKNATEL INC52 citations92
USD250207SNov 7, 1978
Pleural cavity drainage container
DEKNATEL INC9 citations74
USD245372SAug 9, 1977
Underwater drainage device with dual collection chambers
DEKNATEL INC13 citations74
BIORESEARCH INC
6 patentsUS4306558ADec 22, 1981
Portable liquid collection device
BIORESEARCH INC31 citations92
US4296748AOct 27, 1981
Underwater drainage apparatus with separable suction control chamber
BIORESEARCH INC37 citations92
US4258824AMar 31, 1981
Sound muffling baffle for drainage device
BIORESEARCH INC46 citations92
US4249523AFeb 10, 1981
Adjustable orthopedic foot splint
BIORESEARCH INC49 citations92
US4425125AJan 10, 1984
Two-chamber underwater drainage apparatus with oneway outflow valve
BIORESEARCH INC23 citations82
US4261362AApr 14, 1981
Underwater drainage apparatus with reduced dead air space
BIORESEARCH INC16 citations74