WE

William F. Ehrsam

IBM: 5 patents #18,733 of 70,183Top 30%
📍 Kingston, NY: #90 of 509 inventorsTop 20%
🗺 New York: #26,803 of 115,490 inventorsTop 25%
Overall (All Time): #1,066,485 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4386234 Cryptographic communication and file security using terminals Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Robert L. Powers, Paul N. Prentice +2 more 1983-05-31
4238853 Cryptographic communication security for single domain networks Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Robert L. Powers, Paul N. Prentice +2 more 1980-12-09
4238854 Cryptographic file security for single domain networks Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, John L. Smith, Walter L. Tuchman 1980-12-09
4227253 Cryptographic communication security for multiple domain networks Robert C. Elander, Lloyd L. Hollis, Richard E. Lennon, Stephen M. Matyas, Carl H. W. Meyer +2 more 1980-10-07
4203166 Cryptographic file security for multiple domain networks Robert C. Elander, Stephen M. Matyas, Carl H. W. Meyer, Richard J. Sahulka, Walter L. Tuchman 1980-05-13