Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Roofing fastener, improved screw therefor, and improved washer therefor

Roofing fastener, improved screw therefor, and improved washer therefor

US Patent 5139379 · Granted Aug 18, 1992

Estimated economic value: $8,202,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fastener-driving accessory for rotary driving tool2001
Screw with increased driving resistance at proper depth1997
Flexible roof end cap1997
Roofing washer-dispensing and fastener-driving machine1996
Roofing washer-dispensing and fastener-driving machine1996
Roofing washer-dispensing and fastener-driving machine1996
Roofing washer-dispensing and fastener-driving machine1996
Bale tie formed with marcelled portion, package comprising compressed bale and s1996
Apparatus for forming bale tie for package1995
Roof perimeter composite securing element and method of installing1995
Roof perimeter composite securing element and method of installing1995
Roof perimeter composite securing element and method of installing1995