A - Human Necessities – 61 – F
Inventor
A - Human Necessities
61
F
Inventor
Country: Canada
Adjustable sound valve
Vlacic's on/off and adjustable sound valve
Adjustable sound valve
Vlacic's on/off and adjustable sound valve
LandOfFree
Nevena Vlacic has received 1 rating(s) and 1 review(s), resulting in an average rating of 4.40 on a scale from 1 to 5. The overall rating for this inventor is excellent.
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Nikos
I had a chance to take a look at this patent. It is a really good invetion, waiting to become a product.
Was this review helpful to you? Rating [ 4.40 ]
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