Philip E. Kalker — 3 Patents | Patent Leaderboard

Philip E. Kalker has been granted 3 US patents. The first was granted in 1980 and the most recent in November 1982. Philip E. Kalker ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Philip E. Kalker in Demarest, NJ, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4358956	Liquid level indicator	Samuel Ruben	1982-11-16
4227410	Attitude compensating indicator	Samuel Ruben	1980-10-14
4207766	Attitude compensating liquid content indicator	Samuel Ruben	1980-06-17

Philip E. Kalker — 3 Patents

Issued Patents All Time

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