Inventor
HADTKE FREDERICK B
US41 patents
⚠️ This page may combine multiple inventors who share the name “HADTKE FREDERICK B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITHKLINE BEECHAM CORP
5 patentsUSD561586SFeb 12, 2008
Flip-top cap
SMITHKLINE BEECHAM CORP24 citations92
USD558401SDec 25, 2007
Flip-top dental floss dispenser cap
SMITHKLINE BEECHAM CORP14 citations92
USD543316SMay 22, 2007
Flip-top dental floss dispenser cap
SMITHKLINE BEECHAM CORP22 citations92
USD493014SJul 13, 2004
Flip-top dental floss dispenser cap
SMITHKLINE BEECHAM CORP19 citations92
USD561399SFeb 5, 2008
Dental floss dispenser
SMITHKLINE BEECHAM CORP6 citations73
AMERICAN CYANAMID CO
4 patentsUSD262265SDec 15, 1981
Combined dispensing container and cap
AMERICAN CYANAMID CO52 citations96
USD262266SDec 15, 1981
Dispensing container
AMERICAN CYANAMID CO18 citations82
USD263123SFeb 23, 1982
Cap for a container
AMERICAN CYANAMID CO8 citations74
USD262264SDec 15, 1981
Combined dispensing container and cap
AMERICAN CYANAMID CO16 citations74
CHAMPION SPARK PLUG CO
4 patentsAIRWICK IND
4 patentsUSD246316SNov 8, 1977
Dispenser for air treating material
AIRWICK IND19 citations82
USD246110SOct 18, 1977
Dispenser for air treating material
AIRWICK IND7 citations74
US4004734AJan 25, 1977
Dispenser for air treating material
AIRWICK IND18 citations74
USD246318SNov 8, 1977
Dispenser for air treating material
AIRWICK IND11 citations67
STERLING DRUG INC
3 patentsUS4585445AApr 29, 1986
Hypodermic syringe holder for use with disposal ampoules
STERLING DRUG INC57 citations96
US4523679AJun 18, 1985
Pre-sterilized medical procedure kit packages
STERLING DRUG INC262 citations96
US4513891AApr 30, 1985
Spray dispensing container and valve therefor
STERLING DRUG INC212 citations96
PENTECH INT INC
3 patentsUS6062753AMay 16, 2000
Writing instrument with enhanced tactile control and gripping comfort and method of making same
PENTECH INT INC80 citations94
USD410952SJun 15, 1999
Writing instrument
PENTECH INT INC10 citations72
US5699620ADec 23, 1997
Apparatus for sharpening crayon marking instruments to form an improved arcuate safety marking tip
PENTECH INT INC9 citations67