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Harvey J. Berg — 3 Patents

3M: 3 patents #4,239 of 11,543Top 40%

Windom, MN: #1,016 of 2,819 inventorsTop 40%

Minnesota: #19,251 of 52,454 inventorsTop 40%

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

3 Patents All Time

Harvey J. Berg has been granted 3 US patents while listed as an inventor at 3M. The first was granted in 1985 and the most recent in May 1994. Harvey J. Berg ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Harvey J. Berg in Windom, MN, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5307796	Methods of forming fibrous filtration face masks	Joseph P. Kronzer, Roger J. Stumo, James F. Dyrud	1994-05-03	$7,676,000
4807619	Resilient shape-retaining fibrous filtration face mask	James F. Dyrud, Alice C. Murray	1989-02-28	$5,984,000
4536440	Molded fibrous filtration products	—	1985-08-20	$6,680,000

Harvey J. Berg — 3 Patents

Patents per Year

Issued Patents All Time

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