Inventor
HEILMAN ROBERT J
US9 patents
⚠️ This page may combine multiple inventors who share the name “HEILMAN ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTINENTAL WHITE CAP INC
8 patentsUS5289929AMar 1, 1994
Tamper indicating means for vacuum closures
CONTINENTAL WHITE CAP INC34 citations90
US5035341AJul 30, 1991
Closure cap having tamper indicating means
CONTINENTAL WHITE CAP INC29 citations88
US5474194ADec 12, 1995
Closure with irreversible color change system
CONTINENTAL WHITE CAP INC39 citations85
US5033633AJul 23, 1991
Plastic closure with safety button and method of forming same
CONTINENTAL WHITE CAP INC15 citations72
US5016769AMay 21, 1991
Closure with high energy button
CONTINENTAL WHITE CAP INC16 citations72
US5005720AApr 9, 1991
Plastic cap with breakaway tamper band and method of forming same
CONTINENTAL WHITE CAP INC7 citations72
US5074424ADec 24, 1991
Irreversible tamper indicator for mechanical button cap
CONTINENTAL WHITE CAP INC10 citations65
US5119963AJun 9, 1992
Mechanical button and button enhancement techniques
CONTINENTAL WHITE CAP INC5 citations61