IP Library › Granted Patent US 6,537,402
Granted Patent Utility
US 6,537,402 · Confirmation No. 7677

MEMBRANE WELDING APPARATUS INCLUDING A VISUAL SEAM MARKER

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 Code Description Pages PDF
2023-06-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2023-06-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2023-06-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2023-05-26 PA.. Power of Attorney 1 View
2023-05-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2023-05-26 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2001-07-26 TRNA Transmittal of New Application 3 View
2001-07-26 SPEC Specification 10 View
2001-07-26 CLM Claims 3 View
2001-07-26 ABST Abstract 1 View
2001-07-26 DRW Drawings-only black and white line drawings 4 View
2001-07-26 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,537,402
App. No.
09/916,155
Filed
2001-07-26
Granted
2003-03-25
Pub. No.
US20030019566A1
Art Unit
1734
PTA
0 days