HD

Henry C. Dittmer

AT AT&T: 7 patents #8 of 1,042Top 1%
📍 Westminster, CO: #3 of 43 inventorsTop 7%
🗺 Colorado: #13 of 1,784 inventorsTop 1%
Overall (1994): #1,276 of 165,921Top 1%
7
Patents 1994

Issued Patents 1994

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5343517 Use-code based call-treatment selection Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-08-30
5333188 Dialed number recognition arrangement Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-07-26
5329582 Dynamic tone-administration Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-07-12
5321743 Shared-tenant services arrangement providing numbering-plan independence and cross-plan access to tenant groups Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-06-14
5311584 Telecommunications call-processing arrangement Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-05-10
5299261 Arrangement for effecting segmentation of a dialed number Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-03-29
5289535 Context-dependent call-feature selection Frank J. Bogart, Bruce D. Butterfield, David Chavez, Frederick R. Fix, Larry J. Hardouin +2 more 1994-02-22