Erhard Ledwon — 1 Patent | Patent Leaderboard

Erhard Ledwon has been granted 1 US patent. All of these patents were granted in 1986. Erhard Ledwon ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Erhard Ledwon in Dillenburg, DE.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4630595	Energy collector for heat pump installations	Willibald Lang	1986-12-23

Erhard Ledwon — 1 Patent

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