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Patent Application Utility
App. No. 09/809,128 · Confirmation No. 5455

PORT SWITCH AS FOR A HEARING AID DEVICE

Inventor: John P. McSwiggen
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
09/809,128
Filed
2001-03-15
Granted
2003-10-07
Pub. No.
US20030057068A1
Art Unit
2831
PTA
0 days