Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Roller handrail entry guard assembly

Roller handrail entry guard assembly

US Patent 5259493 · Granted Nov 9, 1993

Estimated economic value: $6,859,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Crystal freezing apparatus1999
Semiconductor device having a metalized via hole1995
Balustrade handrail entry housing1994
Balustrade handrail entry safety device1994
Escalator step axle attachment assembly1994
Balustrade handrail entry guard1994
Escalator handrail entry housing1994
Escalator handrail entry housing1994
Escalator missing step detection1994
System for emergency stopping of escalator handrail1994
Sound insulation for escalator balustrade1994
Fiber optic escalator handrail intrusion detector shield1993