Walter Scheffer — 2 Patents | Patent Leaderboard

Walter Scheffer has been granted 2 US patents. The first was granted in 1984 and the most recent in June 1990. Walter Scheffer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Walter Scheffer in Sundern, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4932849	Manual air pump for two wheel tires	—	1990-06-12
4425934	Head of an air pump for inflating pneumatic tires having a motorcycle valve	—	1984-01-17

Walter Scheffer — 2 Patents

Issued Patents All Time

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