David N. Widmann — 3 Patents at Hecon

David N. Widmann has been granted 3 US patents while listed as an inventor at Hecon. The first was granted in 1991 and the most recent in September 1995. David N. Widmann ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David N. Widmann in Manasquan, NJ, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D362664	Display housing	William S. Bagdi, John M. Persel, Rudolph Schoendienst, Kirk Phillips	1995-09-26
5115234	Keypad controller for copier-duplicator	Charles B. Levinski, John M. Persel	1992-05-19
5065426	Facsimile/telephone controller	Harvey Greenstein, Charles B. Levinski, Edward G. Newman, JR., John M. Persel	1991-11-12

David N. Widmann — 3 Patents

Issued Patents All Time

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