Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
GG

Grant Grummer — 4 Patents

Cisco: 3 patents #4,245 of 13,007Top 35%
TETelebit: 1 patents #8 of 23Top 35%
Sudbury, MA: #343 of 857 inventorsTop 45%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Grant Grummer has been granted 4 US patents while listed as an inventor at Cisco. The first was granted in 1999 and the most recent in August 2002. Grant Grummer ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Grant Grummer in Sudbury, MA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6438678 Apparatus and method for operating on data in a data communications system John D. Cashman, Paul M. Riley, Raymond G. Bahr, Wei Ye, Bruce P. Osler 2002-08-20 $241,499,000
6356999 Data processor with trie traversal instruction set extension John D. Cashman, Paul M. Riley, Raymond G. Bahr, Wei Ye, Bruce P. Osler +1 more 2002-03-12 $374,425,000
6047308 Modem with integrated control processor and digital signal processor sessions Bruce P. Osler, Frank Voellmann, Kelly Clifford, Douglas E. Green, Kenneth D. Jones 2000-04-04 $3,858,413,000
5949762 Apparatus and method for processing multiple telephone calls Douglas E. Green, Kenneth D. Jones, Rick Peralta, Frank Voellmann, Bruce P. Osler 1999-09-07