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David L. Bernhardt — 3 Patents

NUNucon: 1 patents #5 of 8Top 65%

Canton, MI: #862 of 2,230 inventorsTop 40%

Michigan: #27,426 of 86,293 inventorsTop 35%

Overall (All Time): #1,328,092 of 4,157,543Top 35%

3 Patents All Time

David L. Bernhardt has been granted 3 US patents while listed as an inventor at Nucon. The first was granted in 1984 and the most recent in June 1996. David L. Bernhardt ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David L. Bernhardt in Canton, MI, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5527153	Variable pitch propeller	—	1996-06-18
4682643	Method of producing molded parts and casting pattern therefor	Neno T. Nenov	1987-07-28
4423646	Process for producing a rotary drilling bit	—	1984-01-03

David L. Bernhardt — 3 Patents

Patents per Year

Issued Patents All Time

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