Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Adjustable multiple paper punch

Adjustable multiple paper punch

US Patent 4898055 · Granted Feb 6, 1990

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Closed portable card file1990
Paper punch apparatus with improved punch element1989
Heavy duty paper punch1987
Key retaining device1987
Key retaining device1986
Key retaining device1984
Key retaining device1984
Combined card file and curved top cards1982
Rotary card file1981
Deburring devices1981
Locking rotary file1980