Metal working
Method of mechanical manufacture
Electrical device making
Inventor
active
Combination gas oxygen concentration and combustion light sensor
Electrochemical oxygen sensor, particularly for analysis of comb
Electrochemical oxygen sensor, particularly for use with exhaust
Glow plug, particularly for diesel engine
Method to render accessible an electrical contact region of a co
No associations
LandOfFree
Gerhard Holfelder does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Gerhard Holfelder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gerhard Holfelder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-843846