RD

Roger H. Donaldson

RM Reynolds Metals: 5 patents #18 of 326Top 6%
EP Eskimo Pie: 1 patents #3 of 11Top 30%
📍 Irvington, VA: #2 of 3 inventorsTop 70%
🗺 Virginia: #5,178 of 34,511 inventorsTop 20%
Overall (All Time): #887,462 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5737958 Method for necking containers Sergio R. Sainz, Donald R. Haulsee 1998-04-14
5687599 Method of forming a can with an electromagnetically formed contoured sidewall and necked end Horst F. W. Arfert, Daniel F. Cudzik, Robert P. Foetisch 1997-11-18
5090175 Freezer apparatus Horst F. W. Arfert, Thomas K. Murdock, Barry M. Whitlock 1992-02-25
4911323 Resealable container closure Horst F. W. Arfert, Eric L. Jensen, Wesley E. Smith 1990-03-27
4793510 Resealable container closure Horst F. W. Arfert, Daniel F. Cudzik 1988-12-27
4748816 Method for thermally treating filled cans Horst F. W. Arfert, Harry W. Lee, Jr. 1988-06-07