DK

Donald J. Keehan

📍 Bay Village, OH: #29 of 252 inventorsTop 15%
🗺 Ohio: #7,178 of 73,341 inventorsTop 10%
Overall (All Time): #464,957 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8797158 Emergency notification system utilizing digital signage and remote surveillance monitoring Mark C. Mutch, Lloyd W. Hemphill, Denio A. Leone, Mark B. Thompson 2014-08-05
8272668 Composite wall structure, tank trailer formed therefrom and method of manufacturing same John M. Manos 2012-09-25
8016322 Composite wall structure, tank trailer formed therefrom and method of manufacturing same John M. Manos 2011-09-13
6391979 Epoxidized poly-p-hydroxystyrene 2002-05-21
6267069 Composite Tanks for storing and/or transporting liquid organic and inorganic chemicals and the like 2001-07-31
6180723 Epoxy resin prepared by reacting poly-p-hydroxystyrene with epichlorohydrin 2001-01-30
6167827 Maritime chemical tanker having composite tanks for storing and/or transporting liquid organic and inorganic chemicals and the like 2001-01-02
5874501 Multi-functional oxirane polymers 1999-02-23
5658996 Multi-functional oxirane polymers 1997-08-19
5169912 Metallic oxide-oxirane polymers and prepolymers 1992-12-08
5026816 Metallic oxide-oxirane polymers and prepolymers 1991-06-25