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Intertech Resources Inc.

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Records under this name other than patents Intertech Resources Inc. 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 4,183,361Respiratory exercising device
Formerly held
Term ended
Term ended no later than Jan 15, 2000 · Low confidence
Term endedTerm ended no later than Jan 15, 2000Low confidence
US 4,202,334Cap and stopper
Formerly held
Term ended
Term ended no later than May 13, 2000 · Low confidence
Term endedTerm ended no later than May 13, 2000Low confidence
US 4,231,973Nebulizer with variable flow rate control and associated method
Formerly held
Term ended
Term ended no later than Nov 4, 2000 · Low confidence
Term endedTerm ended no later than Nov 4, 2000Low confidence
US 4,241,739Volume calculator for incentive spirometer
Formerly held
Term ended
Term ended no later than Dec 30, 2000 · Low confidence
Term endedTerm ended no later than Dec 30, 2000Low confidence
US 4,241,756Exhalation valve assembly
Formerly held
Term ended
Term ended no later than Dec 30, 2000 · Low confidence
Term endedTerm ended no later than Dec 30, 2000Low confidence
US 4,267,974Nebulizer device
Formerly held
Term ended
Term ended no later than May 19, 2001 · Low confidence
Term endedTerm ended no later than May 19, 2001Low confidence
US 4,291,838Nebulizer and associated heater
Formerly held
Term ended
Term ended no later than Sep 29, 2001 · Low confidence
Term endedTerm ended no later than Sep 29, 2001Low confidence
US 4,529,867Humidifier and heater
Term ended
Term ended no later than Jul 16, 2005 · Low confidence
Term endedTerm ended no later than Jul 16, 2005Low confidence
US 4,532,088Heated respiratory therapy humidifier
Formerly held
Term ended
Term ended no later than Jul 30, 2005 · Low confidence
Term endedTerm ended no later than Jul 30, 2005Low confidence
US 4,657,713Heated respiratory therapy humidifier
Term ended
Term ended no later than Apr 14, 2007 · Low confidence
Term endedTerm ended no later than Apr 14, 2007Low confidence
10 of 18 patents shown.
Pro members see all 18.
Pro members: see all 18 patents
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