Inventor
LILLIBRIDGE HAROLD R
17 patents
⚠️ This page may combine multiple inventors who share the name “LILLIBRIDGE HAROLD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHAMPION INT CORP
16 patentsUS4470511ASep 11, 1984
Quick opening envelope
CHAMPION INT CORP28 citations91
US4492308AJan 8, 1985
Quick opening envelope
CHAMPION INT CORP24 citations80
US4531038AJul 23, 1985
Radio frequency dielectric heater
CHAMPION INT CORP19 citations73
US4506452AMar 26, 1985
Method and apparatus for RF drying of coated articles
CHAMPION INT CORP8 citations73
US4416651ANov 22, 1983
Envelope gummer cylinder clutch and brake
CHAMPION INT CORP12 citations73
US4338085AJul 6, 1982
Apparatus for manufacturing envelopes
CHAMPION INT CORP12 citations73
US4210977AJul 8, 1980
Air cleaning apparatus
CHAMPION INT CORP7 citations73
USD251300SMar 13, 1979
Dual pocket mailing envelope blank
CHAMPION INT CORP8 citations73
US4134322AJan 16, 1979
Use of microencapsulated glue in the manufacture of envelopes
CHAMPION INT CORP14 citations73
US4545846AOct 8, 1985
Envelope gumbox friction brake and safety slip clutch
CHAMPION INT CORP4 citations62
US4504260AMar 12, 1985
Method and apparatus for scoring and folding envelopes
CHAMPION INT CORP3 citations62
US4397262AAug 9, 1983
Apparatus for applying and drying sealing material to the seal flap of envelopes
CHAMPION INT CORP2 citations62
US4388071AJun 14, 1983
Gum applying apparatus
CHAMPION INT CORP4 citations62
US4290547ASep 22, 1981
Reclosable envelope and method of manufacture
CHAMPION INT CORP4 citations62
US4234122ANov 18, 1980
Reclosable envelope
CHAMPION INT CORP3 citations62
US4283003AAug 11, 1981
Reclosable envelope
CHAMPION INT CORP1 citations51