P

Inventor

SONG JOHN S

US7 patents
⚠️ This page may combine multiple inventors who share the name “SONG JOHN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONG JOHN S

4 patents
US3998354ADec 21, 1976

Reusable sealed plastic cover

SONG JOHN S123 citations94
US4670398AJun 2, 1987

Plant tissue culture vessel and filter

SONG JOHN S46 citations90
US4358908ANov 16, 1982

Plant culture vessel

SONG JOHN S50 citations90
US4224765ASep 30, 1980

Plant culture container

SONG JOHN S39 citations90

MAGENTA CORP

3 patents
US4901892AFeb 20, 1990

Tamper evident container closure

MAGENTA CORP60 citations94
US5022566AJun 11, 1991

Press-open side dispensing closure

MAGENTA CORP29 citations88
USD320939SOct 22, 1991

Dispensing closure

MAGENTA CORP9 citations72