IP Library › Granted Patent US 6,520,215
Granted Patent Utility
US 6,520,215 · Confirmation No. 4058

TUBULAR BAR WITH INTEGRAL ROLLED LOCKING SYSTEM AND METHOD OF MAKING SAME

Inventor: Donald G. Graber
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-02-27 TRNA Transmittal of New Application 3 View
2001-02-27 SPEC Specification 9 View
2001-02-27 CLM Claims 6 View
2001-02-27 ABST Abstract 1 View
2001-02-27 DRW Drawings-only black and white line drawings 6 View
2001-02-27 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,520,215
App. No.
09/793,940
Filed
2001-02-27
Granted
2003-02-18
Pub. No.
US20020116974A1
Art Unit
3752
PTA
0 days