Receptacle hinge connection

Redundant sensing edge for a door

Refrigerator door closing device

Regenerative feedback door control device with one-way clutch

Regulating apparatus for car window

Reinforcement hardware for a doorjamb bracket

Releasable automotive door stop

Releasable hold open device

Remote control and monitoring of barrier operators with...

Remote controlled door opener

Remote-controlled garage door

Remotely controlled gate opener

Residential cable failure device

Resilient restoring hinged apparatus

Retaining assembly for retaining releasably a door at a...

Retractable door stop for bidirectional swinging door

Retractable door stop for sliding door

Reversible adjustable torsion door closer

Reversing mechanism for an automatic door opener

Revolving door operating and speed control mechanism