David N. Schram — 10 Patents at Learonal

David N. Schram has been granted 10 US patents while listed as an inventor at Learonal. The first was granted in 1986 and the most recent in October 2025. David N. Schram ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David N. Schram in Freeport, NY, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12449534	Vehicular radar sensor with cross channel isolation	Helmut A. Wodrich, Walter Gordon Woodington, Suresh Boddi, Holger Hess	2025-10-21
5094726	Limiting tin sludge formation in tin or tin-lead electroplating solutions	Fred I. Nobel, Barnet D. Ostrow	1992-03-10	$875,000
4871429	Limiting tin sludge formation in tin or tin/lead electroplating solutions	Fred I. Nobel, Barnet D. Ostrow	1989-10-03	$819,000
4717460	Tin lead electroplating solutions	Fred I. Nobel, Barnet D. Ostrow	1988-01-05	$1,251,000
4681670	Bath and process for plating tin-lead alloys	Fred I. Nobel	1987-07-21	$653,000
4640746	Bath and process for plating tin/lead alloys on composite substrates	Fred I. Nobel	1987-02-03	$1,097,000
4617097	Process and electrolyte for electroplating tin, lead or tin-lead alloys	Fred I. Nobel, Barnet D. Ostrow	1986-10-14	$850,000
4599149	Process for electroplating tin, lead and tin-lead alloys and baths therefor	Fred I. Nobel, Barnet D. Ostrow	1986-07-08	$780,000
4565609	Bath and process for plating tin, lead and tin-lead alloys	Fred I. Nobel, Barnet D. Ostrow	1986-01-21	$373,000
4565610	Bath and process for plating lead and lead/tin alloys	Fred I. Nobel, Barnet D. Ostrow	1986-01-21	$373,000

David N. Schram — 10 Patents

Issued Patents All Time

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