WK

William A. Keller

📍 Chesterfield, MO: #1,268 of 6,461 inventorsTop 20%
🗺 Missouri: #4,278 of 23,789 inventorsTop 20%
Overall (All Time): #953,811 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11298972 Device for preventing paint from drying in the can Eugene Zeyger, Leonard Senkovsky 2022-04-12
6857836 Wheeled transports 2005-02-22
D440727 Hand truck Sharon L. Keller 2001-04-17
6059515 Hand truck having tines and an arm for separating flakes from bales of hay and like material Sharon L. Keller 2000-05-09
4275540 Plastic free standing brick wall section 1981-06-30