Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Christopher A. Robinette — 65 Patents

Nike: 26 patents #291 of 2,652Top 15%
ATAT&T: 25 patents #652 of 18,772Top 4%
DPDell Products: 10 patents #671 of 6,820Top 10%
AIAt & T Ipm: 1 patents #18 of 189Top 10%
PAPhilips Electronics North America: 1 patents #328 of 725Top 50%
TRThe Regina: 1 patents #13 of 24Top 55%
Alameda, CA: #12 of 1,067 inventorsTop 2%
California: #5,035 of 386,348 inventorsTop 2%
Overall (All Time): #33,507 of 4,157,543Top 1%
65 Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
D381656 Telephone set Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1997-07-29
D381331 Telephone set Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1997-07-22
D381332 Telephone module Mark Biasotti, Michael J. Nuttall, John Schaffeld 1997-07-22
D380469 Telephone set Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1997-07-01
D380216 Portable telephone handset Mark Biasotti, Michael J. Nuttall, John Schaffeld 1997-06-24
D379980 Portable telephone handset Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1997-06-17
D379810 Portable telephone handset Joseph James Giordano, Jr., James R. Graham, Joel Thomas Holl, William Vincent Jackwicz, Pratod V. Kasbekar +9 more 1997-06-10
D378089 Telephone stand Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1997-02-18
D377014 Portable telephone handset Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1996-12-31
5584095 Vacuum cleaner having improved steering features Glenn K. Redding, Kristen G. Sprow-Byrd, Michael Darter Collins, James R. Hunter, Gary A. Miller +3 more 1996-12-17
D376143 Portable telephone handset Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi Anne Rajan, John Schaffeld +1 more 1996-12-03
D374230 Telephone stand Michael J. Nuttall, John Schaffeld 1996-10-01
D370486 Portable telephone handset Michael J. Nuttall, John Schaffeld 1996-06-04
D370321 Upright vacuum cleaner Michael Darter Collins 1996-05-28
5323510 Vacuum cleaner having improved steering features Glenn K. Redding, Kristen G. Sprow-Byrd, Michael Darter Collins, James R. Hunter, Gary A. Miller +1 more 1994-06-28