Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Portable back support

Portable back support

US Patent 4864668 · Granted Sep 12, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tamper evident locking device2021
Transporter2013
Collapsible pushchair/carrier2005
Locking device2005
Pressure actuated locking device2005
Lock system2004
Pressure actuated locking device2004
High performance miniature hygrometer and method thereof1994
Push chair/shopping trolley1994
Web-dispensing apparatus1991
Lawn scarifier and rake1982
Manually operated cigarette making machine1981