DV

David L. Volk

📍 Jefferson Hills, PA: #1 of 7 inventorsTop 15%
🗺 Pennsylvania: #61 of 4,367 inventorsTop 2%
Overall (1997): #4,714 of 185,788Top 3%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5682837 Pet brush worn on the hand Robert E. Courtney, Timothy Zenor 1997-11-04
5653941 Food spoilage detector Bobby Veretto, John W. Thomas 1997-08-05
5649642 Dispenser for chewing gum or bubble gum Hellen Mabry, John W. Thomas, Steven D. Goldenbogen 1997-07-22
5638553 Toilet ventilation system Peter Loewen 1997-06-17
5633839 Music vending machine capable of recording a customer's music selections onto a compact disc Gregory E. Alexander, Steven D. Goldenbogen 1997-05-27