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Fred H. Stengel — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Xerox: 1 patents #5,237 of 8,622Top 65%
Palo Alto, CA: #4,891 of 9,675 inventorsTop 55%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Fred H. Stengel has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1982 and the most recent in September 2002. Fred H. Stengel ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Fred H. Stengel in Palo Alto, CA, US.

Patents per Year

Patents granted per year, 1982 to 2002Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821991: 1 patents19912002: 1 patents2002

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6446982 In-line skate conversion apparatus Richard S. Gaster, Thomas J. Sherlock 2002-09-10
5008081 Method and apparatus for automatic melt indexing David A. Blau, John W. Meadows, Thomas M. Sherlock, Robert M. Studholme, Kenneth Wada +1 more 1991-04-16
D266671 Electrostatic printer/plotter Ian Turner, Thomas A. Tacklind, Carl J. Clement 1982-10-26

Frequent Collaborators

John W. Meadows1 shared
Christopher Kepner1 shared
Thomas A. Tacklind1 shared
Carl J. Clement1 shared
Robert M. Studholme1 shared
Richard S. Gaster1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3