Inventor

HADDEN DAVID M

US10 patents

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

DELPHIAN CORP

2 patents

US4489590ADec 25, 1984

Method and apparatus for gas detector calibration

DELPHIAN CORP82 citations95

US4260950AApr 7, 1981

Automatic portable pH meter and method with calibration receptacle

DELPHIAN CORP58 citations95

(unassigned)

2 patents

US5819458AOct 13, 1998

Reinforced picture frame moulding

37 citations91

US5380119AJan 10, 1995

Resiliently yieldable picture frame corner insert

38 citations91

ARLO INC

2 patents

US6324977B1Dec 4, 2001

Stamp assembly with embossing member

ARLO INC13 citations71

US7942555B2May 17, 2011

Multi-action, battery-powered, trigger-activated lighting system

ARLO INC3 citations60

NEW WEST PRODUCTS INC

1 patent

US5480030AJan 2, 1996

Reusable, evacuable enclosure for storage of clothing and the like

NEW WEST PRODUCTS INC201 citations97

DELPHIAN PARTNERS

1 patent

US4476706AOct 16, 1984

Remote calibration system

DELPHIAN PARTNERS116 citations94

HADDEN DAVID M

1 patent

US5989666ANov 23, 1999

Aesthetic structure with simulated leading

HADDEN DAVID M17 citations79

ARKHANGELSKIY ALEX O

1 patent

US10086894B2Oct 2, 2018

Safety device

ARKHANGELSKIY ALEX O7 citations72