Ewald A. Oppmann

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Belvidere, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Die for assembling metal spool having high torque transmitting capa...
- Patent number 6,523,239
- Issue date Feb 25, 2003
- J.L. Clark, Inc.
- Richard L. Peterson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Wooden spool held together with novel tie rod assembly and method o...
- Patent number 6,419,184
- Issue date Jul 16, 2002
- J.L. Clark, Inc.
- Ewald A. Oppmann
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Die and method for assembling metal spool having high torque transm...
- Patent number 6,289,570
- Issue date Sep 18, 2001
- J.L. Clark, Inc.
- Richard L. Peterson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Metal spool having high torque transmitting capacity between spool...
- Patent number 6,267,324
- Issue date Jul 31, 2001
- J.L. Clark, Inc.
- Richard L. Peterson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Three piece spool
- Publication number 20020023984
- Publication date Feb 28, 2002
- J. L. Clark, Inc.
- Ewald A. Oppmann
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Die and method for assembling metal spool having high torque transm...
- Publication number 20010037551
- Publication date Nov 8, 2001
- J. L. Clark, Inc.
- Richard L. Peterson
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL