IP Library › Granted Patent US 6,628,511
Granted Patent Utility
US 6,628,511 · Confirmation No. 2536

PALM-SIZED HANDHELD DEVICE WITH INVERTED ERGONOMIC KEYPAD

Inventor: Eric Engstrom
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-07-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-07 LET. Miscellaneous Incoming Letter 2 View
2001-01-22 TRNA Transmittal of New Application 2 View
2001-01-22 SPEC Specification 14 View
2001-01-22 CLM Claims 4 View
2001-01-22 ABST Abstract 1 View
2001-01-22 DRW Drawings-only black and white line drawings 6 View
2001-01-22 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,628,511
App. No.
09/767,361
Filed
2001-01-22
Granted
2003-09-30
Pub. No.
US20020097553A1
Art Unit
2835
PTA
-23 days