RP

Richard G. Parkison

AS American Standard: 9 patents #26 of 558Top 5%
📍 Louisville, KY: #309 of 3,201 inventorsTop 10%
🗺 Kentucky: #1,225 of 11,577 inventorsTop 15%
Overall (All Time): #593,270 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4609006 Diverter George E. Phillips 1986-09-02
4421295 Valve diaphragm 1983-12-20
4421294 Valve diaphragm Edward G. Hofstetter, Jr. 1983-12-20
4408745 Swivel valve Richard H. Swiers 1983-10-11
4378029 Single control faucet 1983-03-29
4364523 Flow control technique Edward G. Hofstetter, Jr. 1982-12-21
4362186 Sanitary fitting Armin Fischer, John C. Kaussner 1982-12-07
4331176 Replaceable cartridge valve assembly 1982-05-25
4243063 Mixing valve 1981-01-06