DP

David G. Perkins

WA Welch Allyn: 30 patents #20 of 552Top 4%
RL Raychem Limited: 1 patents #486 of 928Top 55%
📍 Tully, NY: #1 of 35 inventorsTop 3%
🗺 New York: #3,824 of 115,490 inventorsTop 4%
Overall (All Time): #115,665 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
12268366 Increasing battery life in handheld device David M. Babson, Kenneth V. Coon, James Ledwith, Jeffrey K. Moat 2025-04-08
D959661 Medical viewing device Robert S. Englert, Raymond A. Lia, Michael T. McMahon, Robert L. Vivenzio, Brian Perrault +3 more 2022-08-02
D958735 Charger Sean R. Karla, Timothy R. Fitch, David Villarreal, Michael Suits, Timothy Braun +1 more 2022-07-26
D958342 Medical viewing device Alan S. Knieriem, Thaddeus J. Wawro, Timothy R. Fitch, Robert S. Englert, Michael T. McMahon 2022-07-19
D958339 Medical viewing device Robert S. Englert, Alan S. Knieriem, Steven R. Slawson, Timothy R. Fitch, Michael T. McMahon 2022-07-19
D958340 Medical viewing device Robert S. Englert, Alan S. Knieriem, Steven R. Slawson, Timothy R. Fitch, Michael T. McMahon 2022-07-19
D958341 Medical viewing device Alan S. Knieriem, Thaddeus J. Wawro, Timothy R. Fitch, Robert S. Englert, Michael T. McMahon 2022-07-19
D935999 Charger Timothy R. Fitch, Brian Perrault, Robert S. Englert 2021-11-16
11096627 Medical examination system enabling interchangeable instrument operating modes Raymond A. Lia, Robert L. Vivenzio, John R. Strom, Ervin Goldfain, Steven R. Slawson +1 more 2021-08-24
D926128 Charger Sean R. Karla, Timothy R. Fitch, David Villarreal, Michael Suits, Timothy Braun +1 more 2021-07-27
D905239 Medical viewing device Robert S. Englert, Alan S. Knieriem, Steven R. Slawson, Timothy R. Fitch, Michael T. McMahon 2020-12-15
D905240 Medical viewing device Alan S. Knieriem, Thaddeus J. Wawro, Timothy R. Fitch, Robert S. Englert, Michael T. McMahon 2020-12-15
D905237 Medical viewing device Alan S. Knieriem, Thaddeus J. Wawro, Timothy R. Fitch, Robert S. Englert, Michael T. McMahon 2020-12-15
D905238 Medical viewing device Robert S. Englert, Alan S. Knieriem, Steven R. Slawson, Timothy R. Fitch, Michael T. McMahon 2020-12-15
10861352 Ophthalmological teaching aid Christopher Daly, Erin Mickam 2020-12-08
D897185 Handle Robert S. Englert, Timothy R. Fitch, Brian Perrault 2020-09-29
D897186 Handle Robert S. Englert, Timothy R. Fitch, Brian Perrault 2020-09-29
D897184 Handle Robert S. Englert, Timothy R. Fitch, Brian Perrault 2020-09-29
10010287 Mobile medical workstation Douglas J. Linquest, Thaddeus J. Wawro, Kristin A. Metz, Peter H. Soderberg, Bonita L. Labosky +1 more 2018-07-03
8292807 Mobile medical workstation Douglas J. Linquest, Thaddeus J. Wawro, Kristin A. Metz, Peter H. Soderberg, Bonita L. Labosky +1 more 2012-10-23
6393431 Compact imaging instrument system Jon R. Salvati, Stephen C. Wilson 2002-05-21
6142934 Objective lens system for imaging instrument William Lagerway, William M. Wrisley, Ronald A. Hauptli 2000-11-07
D432153 Digital camera adapter David G. Cooper, Russell John Kalil, Lauri A. Ventresca, Robb D. Bonilla, Elizabeth P. Staples +1 more 2000-10-17
6106457 Compact imaging instrument system Jon R. Salvati, William M. Wrisley, Ronald A. Hauptli, Stephen C. Wilson, Russ J. Kalil +1 more 2000-08-22
6010450 Measuring adapter for viewing instrument 2000-01-04