James C. Koehler

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Belgium, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Insert molding of a liquid-containing member, such as a level vial,...
- Patent number 6,243,957
- Issue date Jun 12, 2001
- Johnson Level & Tool Mfg. Co., Inc.
- Richard J. Gruetzmacher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Insert molding of a liquid-containing member, such as a level vial,...
- Publication number 20020056203
- Publication date May 16, 2002
- Johnson Level & Tool Mfg. Co., Inc.
- Richard J. Gruetzmacher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Insert molding of a liquid-containing member, such as a level vail,...
- Publication number 20010013175
- Publication date Aug 16, 2001
- Johnson Level & Tool Mfg. Co., Inc.
- Richard J. Gruetzmacher
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL