Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Patent
1989-08-30
1991-03-26
Seidel, Richard K.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Checks and closers
Liquid
16DIG9, F16D 5700
Patent
active
050018094
ABSTRACT:
A door apparatus with damper switch formed by
REFERENCES:
patent: 4576252 (1986-03-01), Omata
patent: 4638528 (1987-01-01), Omata
Kim Kyu C.
Lim Jong D.
Bushnell Robert E.
Cuda Carmine
Samsung Electronics Co,. Ltd.
Seidel Richard K.
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