| Number | Name | Date | Kind |
|---|---|---|---|
| DES85320 | Bowman | Oct 1931 | |
| DES109025 | Perkins | Mar 1938 | |
| DES114085 | Lockart | Apr 1939 | |
| DES114086 | Lockart | Apr 1939 | |
| DES193392 | Kingsbury | Aug 1962 | |
| DES198626 | Lockart et al. | Jul 1964 | |
| DES210372 | Behnk | Mar 1968 | |
| DES210373 | Behnk | Mar 1968 | |
| DES217924 | Clostermann | Jun 1970 | |
| 2086185 | Keaney | Jul 1937 | |
| 3798861 | Weiss | Mar 1974 | |
| 4023319 | Kurata | May 1977 |
| Number | Date | Country |
|---|---|---|
| 567594 | May 1958 | BEX |
| 470835 | Nov 1935 | GBX |
| Entry |
|---|
| "Glass Block by Pittsburgh Corning", Exterior and Interior Applications, Mar. 1978, p. 6. |