Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System for detaining robbers on premises

System for detaining robbers on premises

US Patent 4461221 · Granted Jul 24, 1984

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Sheet understacking feeding mechanism2003
Variable length sheet feeding mechanism2003
Sheet and stack feeding mechanism2003
Rack and pinion adjustment mechanism2003
Adjustable indexing roller mechanism2002
Roller ring2001
Sheet turnover mechanism2001
Sheet feeding mechanism2001
Roller ring2000
Roller ring1999
Insert feed mechanism1997
Long life pen and ink supply unit for X,Y plotter and the like and related metho1992