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Dirk G. Langer — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Santa Monica, CA: #1,041 of 3,628 inventorsTop 30%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Dirk G. Langer has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1987 and the most recent in January 1998. Dirk G. Langer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dirk G. Langer in Santa Monica, CA, US.

Patents per Year

Patents granted per year, 1987 to 1998Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19871989: 1 patents19891996: 1 patents19961998: 1 patents1998

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5704510 Top lock lid Charles H. Feltman, III 1998-01-06
D370156 Mug Charles H. Feltman, III 1996-05-28
D302919 Beverage mug Charles H. Feltman, III 1989-08-22
D290568 Insulated mug Charles H. Feltman, III 1987-06-30

Frequent Collaborators

Charles H. Feltman, III4 shared

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