Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Handy vacuum pump and heat sealer combination device

Handy vacuum pump and heat sealer combination device

US Patent 5215445 · Granted Jun 1, 1993

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image acquisition apparatus and defect detection system of electrode plate2025
Sputtering target2025
Garment hanger with swivel hook and ganging hook1991