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Inventor

ZIEGLER DANIEL C

US7 patents
⚠️ This page may combine multiple inventors who share the name “ZIEGLER DANIEL C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WORTHINGTON ARMSTRONG VENTURE

3 patents
US5839246ANov 24, 1998

Grid framework for suspended ceiling

WORTHINGTON ARMSTRONG VENTURE69 citations95
US7661236B2Feb 16, 2010

Stab-in connector with expansion relief

WORTHINGTON ARMSTRONG VENTURE16 citations83
US6351919B1Mar 5, 2002

Compression relief section

WORTHINGTON ARMSTRONG VENTURE16 citations83

ARMSTRONG WORLD IND INC

3 patents
US4580386AApr 8, 1986

Expansion clip on a ceiling runner

ARMSTRONG WORLD IND INC21 citations81
US4893444AJan 16, 1990

Fire expansion joint for ceiling runner

ARMSTRONG WORLD IND INC17 citations72
US4730433AMar 15, 1988

End detail for ceiling runner

ARMSTRONG WORLD IND INC9 citations72

NAT ROLLING MILLS INC

1 patent
US4606166AAug 19, 1986

Fire-rated beam with expansion relief section

NAT ROLLING MILLS INC16 citations68