| D599188 |
Purse hanger |
Debbie Caylor, Tim Siegfried |
2009-09-01 |
| D573984 |
Transmitter antenna |
Douglas H. Ferguson |
2008-07-29 |
| D565534 |
Transmitter antenna |
Douglas H. Ferguson |
2008-04-01 |
| 7304588 |
Monitoring technology |
Greg Molenaar, Jim Fangmeier, Luke Smith, Jonathan Meed, Douglas H. Ferguson +1 more |
2007-12-04 |
| D515039 |
Controller and display |
Douglas H. Ferguson |
2006-02-14 |
| 6556661 |
In-line telephony data protector with line condition announce |
Douglas H. Ferguson |
2003-04-29 |
| 5651057 |
Method of communicating data from remote devices to a central computer via a telecommunications link |
Dennis C. Blood, Joseph T. Tousignant, Joseph M. Walsh |
1997-07-22 |
| 5410590 |
Monitoring system for remote devices |
Dennis C. Blood, Joseph T. Tousignant, Joseph M. Walsh |
1995-04-25 |
| D341815 |
Telecommunications test connector |
Dennis C. Blood, David L. Ingalsbe |
1993-11-30 |
| 5228072 |
Multiwire-pair telecommunications test system |
David L. Ingalsbe, David W. Callahan, Jeffrey Wilson |
1993-07-13 |
| D335094 |
Telecommunications cable tester |
David L. Ingalsbe |
1993-04-27 |
| 4920555 |
Compact telephone line test apparatus |
— |
1990-04-24 |
| 4792016 |
Ladder securing device |
David L. Ingalsbe, Arlen G. Bourn |
1988-12-20 |