IP Library Granted Patent US 6,428,232
Granted Patent Utility
US 6,428,232 · Confirmation No. 9923

ROLLER BALL PEN WITH ADJUSTABLE SPRING TENSION

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Code Description Pages PDF
2017-12-11 OATH Oath or Declaration filed 7 View
2001-04-19 TRNA Transmittal of New Application 3 View
2001-04-19 SPEC Specification 5 View
2001-04-19 CLM Claims 5 View
2001-04-19 ABST Abstract 1 View
2001-04-19 DRW Drawings-only black and white line drawings 6 View
2001-04-19 OATH Oath or Declaration filed 5 View
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Quick Facts
Patent No.
US 6,428,232
App. No.
09/837,482
Filed
2001-04-19
Granted
2002-08-06
Pub. No.
US20010024592A1
Art Unit
3751
PTA
0 days