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Technology Development Corporation

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Records under this name other than patents Technology Development Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 11,044,595Flip Phone with Direct Access to Emergency Service Providers
Lapsed on the fee record
Ended Jun 22, 2025 · High confidence
Lapsed on the fee recordEnded Jun 22, 2025High confidence
US 10,440,548Mpers with Internal Conversion of GPS
Lapsed on the fee record
Ended Oct 8, 2023 · Medium confidence
Lapsed on the fee recordEnded Oct 8, 2023Medium confidence
US 10,180,489MPERS with remote conversion of GPS
Lapsed on the fee record
Ended Jan 15, 2023 · From the USPTO record
Lapsed on the fee recordEnded Jan 15, 2023From the USPTO record
US 8,172,017Circumferential movement device
Lapsed on the fee record
Ended May 8, 2020 · From the USPTO record
Lapsed on the fee recordEnded May 8, 2020From the USPTO record
US 7,544,656Long acting injectable insulin composition and methods of making and using thereof
Lapsed on the fee record
Ended Jun 9, 2013 · From the USPTO record
Lapsed on the fee recordEnded Jun 9, 2013From the USPTO record
US 3,959,711Pulse width modulated power supplies
Term ended
Term ended no later than May 25, 1996 · Low confidence
Term endedTerm ended no later than May 25, 1996Low confidence
US 4,119,797Voice operated switch having an activation level which is higher than its sustaining level
Term ended
Term ended no later than Oct 10, 1998 · Low confidence
Term endedTerm ended no later than Oct 10, 1998Low confidence
US 4,123,622Protective cover for sound transducers located in face masks of divers
Term ended
Term ended no later than Oct 31, 1998 · Low confidence
Term endedTerm ended no later than Oct 31, 1998Low confidence
US 4,207,568Underwater communications system
Term ended
Term ended no later than Jun 10, 2000 · Low confidence
Term endedTerm ended no later than Jun 10, 2000Low confidence
US 4,891,184Low density heat resistant intermetallic alloys of the Al.sub.3 Ti type
Formerly held
Term ended
Term ended no later than Jan 2, 2010 · Low confidence
Term endedTerm ended no later than Jan 2, 2010Low confidence
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
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