4. Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
  5. Checks and closers
  6. Liquid

Donald John Newman

Inventor

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Deadlock

Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent

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Deadlock case

Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent

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Hydraulic door closer with adjustable time delay dampener

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Patent

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Lock mechanism

Locks – Special application – For closures
Reexamination Certificate

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Profile ID: LFUS-PAI-P-885029

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