Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electrical impulse hot hole punch for making a tear-resistant hole in thermoplastic film

Electrical impulse hot hole punch for making a tear-resistant hole in thermoplastic film

US Patent 5140133 · Granted Aug 18, 1992

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Packaging system for split package assembly2008
Horizontal wrapper with a side seal attachment1998
Film wrapping apparatus1992
Film wrapping apparatus1992
Apparatus for severing wrapping film1987