6. Patents

		As at								As at
		November 1,						Foreign		October 31,
		2024		Additions		Disposition		exchange		2025
Cost	$	681,288	$	-	$	-	$	-	$	681,288
Accumulated amortization		681,288		-		-		-		681,288
Net book value	$	-		-		-		-	$	-

		As at								As at
		November 1,						Foreign		October 31,
		2023		Additions		Disposition		exchange		2024
Cost	$	681,288	$	-	$	-	$	-	$	681,288
Accumulated amortization		681,288		-		-		-		681,288
Net book value	$	-		-		-		-	$	-

The Company holds several patents in the United States for its Multimodal Fluid Condition Sensor Platform. The patents are fully amortized as at October 31, 2025 and 2024.