Annapolis, Maryland
United States
7
2022-01-20
The entities that hold a legal rights for patent applications filed by inventor Walden Michael:
Michael Walden from Annapolis, US has applied for patents for these inventions. The list has both pending applications and granted patents:
CERTIFICATION AND ACTIVATION OF USED PHONES ON A WIRELESS CARRIER NETWORK
#2 | 2020-08-13CERTIFICATION AND ACTIVATION OF USED PHONES ON A WIRELESS CARRIER NETWORK
#3 | 2017-11-09CERTIFICATION AND ACTIVATION OF USED PHONES ON A WIRELESS CARRIER NETWORK
#4 | 2015-03-05CERTIFICATION AND ACTIVATION OF USED PHONES ON A WIRELESS CARRIER NETWORK
#5 | 2012-02-02CERTIFICATION AND ACTIVATION OF USED PHONES PURCHASED THROUGH AN ONLINE AUCTION
#6 | 2009-02-17Certification and activation of used phones on a wireless carrier network
#7 | 2007-12-27Certification and activation of used phones purchased through an online auction
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