Inventor
ROY GERALD L
US5 patents
⚠️ This page may combine multiple inventors who share the name “ROY GERALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KERR GLASS MFG CORP
4 patentsUS4807771AFeb 28, 1989
Tamper-evident closure
KERR GLASS MFG CORP60 citations94
US4609114ASep 2, 1986
Safety closure with nested caps
KERR GLASS MFG CORP47 citations89
US4303168ADec 1, 1981
Linerless closure with crushable seal
KERR GLASS MFG CORP7 citations71
US4122965AOct 31, 1978
Linerless closure
KERR GLASS MFG CORP14 citations71